MN HA HC N S 1 (Thi gian: 90 pht) Cu 1: Ru C5H12O c s ng phn l A bc 2: A. 5 B. 3 C. 4 D. 2

Cu 2: Cracking hon ton 2,8 lt C5H12 thu hh B. t chy hn hp B thu tng lng CO2, H2O l: A. 27g B. 41g C. 82g D. 62g

Cu 10: Hai hydrocacbon A, B l ng ng k tip c t khi hi so vi H2 bng 12,65. Vy A, B c th l: A. CH4, C2H6 B. C2H4 , C3H6 C. C2H2 , C3H4 D. C3H4, C4H6

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Cu 11: Cho 3g hn hp gm 3 kim loi ng trc H2 trong dy hot ng ha hc phn ng ht vi H2SO4 d, thu c 1,008 lt H2 (kc). C cn dung dch thu c mg rn. Vy m c th bng: Cu 12: Hn hp X gm: C3H8, C4H10 c t khi i vi H2 bng 25,5. Thnh phn % theo s mol l: A. 20 v 80 B. 50 v 50 C. 25 v 75 D. Kt qu khc Cu 13: X l nguyn t nhm VA. Cng thc hidroxit (trong X th hin s oxy ha cao nht) no sau y l khng ng: A. HXO3 B. H3XO3 C. H4X2O7 D. H3XO4 Cu 14: So snh tnh axit ca cc cht sau y: Trang 1/27

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Cu 9: Khi cho 0,56 lt (kc) kh HCl hp thu vo 50ml dung dch AgNO3 8% (d=1,1g/ml). Nng % HNO3 thu c l: A. 6,3% B. 1,575% C. 3% D. 3,5875%

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Cu 8: Tm pht biu sai A. Tnh cht ha hc ca kim loi l kh B. Cng nhm th tnh kim loi tng khi sang chu k mi C. Tnh cht c trng ca kim lai l tc dng c dung dch baz D. Kim loi c nh kim , do ,dn in v dn nhit

m

Cu 7: Mt cht hu c X cha C, H, O ch cha mt loi chc cho 2,9g X phn ng vi dung dch AgNO3/NH3 d thu c 21,6g Ag. Vy X c th l: A. HCHO B. OHC CHO C. CH2(CHO)2 D. CH3 CHO

a

Cu 6: 2,64g hn hp HCOOH, CH3COOH, phenol tc dng Vml dd NaOH 1M thu 3,52g mui. Gi tr V l: A. 30ml B. 50ml C. 40ml D. 20ml

t

h

Cu 5: C mt hp cht hu c n chc Y, khi t chy Y ta ch thu c CO2 v H2O vi s mol nh nhau v s mol oxi tiu tn gp 4 ln s mol ca Y. Bit rng: Y lm mt mu dung dch brom v khi Y cng hp hiro th c ru n chc. Cng thc cu to mch h ca Y l: A. CH3-CH2-OH B. CH2=CH-CH2-CH2-OH C. CH3-CH=CH-CH2-OH D. CH2=CH-CH2-OH .

s

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A. 7,32g

B. 5,016g

C. 2,98g

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Cu 4: Khuy u mt lng bt Fe, Fe3O4 vo dung dch HNO3 long. Chm dt phn ng, thu c dung dch X v kh NO v cn li mt t kim loi. Vy dung dch X cha cht tan: A. Fe(NO3)3, Fe(NO3)2 B. Fe(NO3)3, HNO3 C. Fe(NO3)2 duy nht D. Fe(NO3)3, Fe(NO3)2, HNO3

D. Kt qu khc

m

Cu 3: Thuc th duy nht dng nhn bit cc cht sau: Ba(OH)2, NH4HSO4, BaCl2, HCl, NaCl, H2SO4 dng trong 6 l b mt nhn. A. dd Na2CO3 B. dd AgNO3 C. dd NaOH D. qu tm

CH2Cl-CH2COOH (1), CH3COOH (2), HCOOH (3), CH3-CHCl-COOH (4) A. (3) > (2) > (1 ) > (4) B. (4) > (2) > (1 ) > (3) C. (4) > (1) > (3). > (2) D. Kt qu khc Cu 15: t chy 1,68 lt hh G: CH4, C2H4 (kc) c M hhG 20 ; thu x gam CO2. Vy x bng: A. 6,6g B. 4,4g C. 3,3g D. Kt qu khc Cu 16: Trong phng th nghim, c th iu ch kh oxi t mui kali clorat. Ngi ta s dng cch no sau y nhm mc ch tng tc phn ng? A. Nung kali clorat tinh th nhit cao. B. Nung hn hp kali clorat tinh th v mangan ioxit nhit cao. C. un nng nh kali clorat tinh th. D. un nng nh dung dch kali clorat bo ha. Cu 17: t chy ankan X c mol X: mol O2 = 2 : 13. Khi Cracking X s thu c ti a my olefin? A. 1 B. 2 C. 3 D. 4 Cu 18: Cho bit phn ng: H202 + KI I2 + K0H. Vai tr ca tng cht tham gia phn ng ny l g? A. KI l cht oxi ha, H202 l cht kh B. KI l cht kh, H202 l cht oxi ha C. H202 l cht b oxi ha, KI l cht b kh D. H202 l va l cht oxi ha, va l cht kh

A. C2H4O A. KClO

B. C3H6O B. KClO2

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Cu 20: Hai cht hu c X v Y u n chc l ng phn ca nhau. t chy hon ton 5,8 gam hn hp X v Y cn 8,96 lt oxi (ktc) thu c kh CO2 v hi nc theo t l VCO2 : Vhi H2O = 1 : 1 (o cng iu kin). Cng thc n gin ca X v Y l: C. C4H8O C. KClO3 D. C5H10O D. Khng phn ng Cu 21: Khi dn mt lung kh clo qua dung dch KOH long ngui thu c sn phm c cha: Cu 22: Ha tan hon ton 2,81 (g) hn hp mt oxit Kim loi kim v mt oxit kim loi kim th vo V ml ddH2SO4 0,1M ri c cn dd sau p thu c 6,81g hh mui khan. Gi tr V: A. 500 ml B. 625 ml

w .v

C. 725 ml

a

Cu 19: t chy hydrocacbon A c mCO2: mH2O = 4,889. Vy CTTN ca A l: A. (CH2)n B. (C2H6)n C. (CH3)n D. (CH)n

t

hD. 425 ml

Cu 23: t ru A. Dn ht sm phm chy vo bnh ng ddCa(OH)2 d; thy c 3 gam kt ta v khi lng bnh tng 2,04 gam. Vy A l: A. CH3OH B. C2H5 OH C. C3H7OH D. C4H9OH

Cu 25: Mt oxit kim loi: M xOy trong M chim 72,41% v khi lng. Kh hon ton oxit ny bng CO, thu c 16,8 gam M. Ha tan hon ton lng M ny bng HNO3 c nng thu c 1 mui v x mol NO2. Gi tr x l: A. 0,45 B. 0,6 C. 0,75 D. 0,9 Cu 26: Hn hp X gm 2 axit no: A1 v A2. t chy hon ton 0,3mol X thu c 11,2 lt kh CO2 (ktc). Trung ha 0,3 mol X cn 500ml dung dch NaOH 1M. Cng thc cu to ca 2 axit l: A. CH3COOH v C2H5COOH B. HCOOH v HOOC-COOH Trang 2/27

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Cu 24: Ha tan ht 1,62g bc bng axit nng 21% ( d=1,2 g/ml) ; thu oc NO.Th tch dung dch axitnitric ti thiu cn phn ng l: A. 4ml B. 5ml C. 7,5ml D. Gi tr khc

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m

C. HCOOH v C2H5COOH

D. CH3COOH v HOOC-CH2-COOH

Cu 27: Mc ch ca php phn tch nh tnh cc nguyn t trong hp cht hu c l: A. Xc nh CTPT hp cht hu c B. Xc nh khi lng hp cht hu c C. Xc nh thnh phn cc ngt trong hp cht hu c D. Xc nh s nguyn t ca mi nguyn t trong hp cht hu c

Cu 30: 30g hn hp Cu, Fe tc dng vi 14lt kh Cl2 (kc). Vy %Cu theo khi lng: A. 45% B. 60% C. 53,33% D. 35,5% Cu 31: t chy hn hp 2 ru ng ng c s mol bng nhau, ta thu c khi CO2 v hi nc c t l s mol: nCO2 : nH2O = 2 : 3. Cng thc phn t 2 ru ln lt l: A. CH4O v C3H8O B. C2H6O v C3H8O C. CH4O v C2H6O D. C2H6O v C4H10O Cu 32: Cho 2,8g bt Fe v 2,7g bt Al vo dung dch c 0,175mol Ag2SO4. Khi phn ng xong thu c x gam hn hp 2 kim loi. Vy x l: A. 39,2g B. 5,6g C. 32,4g D. Kt qu khc

Cu 34: Cho phn ng: C4H6O2 + NaOH B + D; D + Z E + Ag. B c th iu ch trc tip c t CH4 v C2H6. Vy B c th l: A. CH3COONa B. C2H5COONa C. A, B u ng D. A, B u sai

Cu 36: Cho 4,2g este n no tc dng NaOH thu 4,76g mui. Axt to ra este l: A. HCOOH B. C2H5COOH C. RCOOH D. CH3COOH Cu 37: Trn V1 lit dung dch H2SO4 c pH = 3 vi V2 lit dung dch NaOH c pH = 12 c dung dch c pH = 4, th t l V1: V2 c gi tr no?

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Cu 35: t chy hn hp A gm c nhiu hidrcacbon thu c 6,72 lt CO2 (kc) v 3,6g H2O. Vy V lt O2 cn t l: A. 8,96lt B. 2,24 lt C. 6,72lt D. 4,48lt

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Cu 33: Dung dch A gm HCl, H2SO4 c pH = 2. trung ha hon ton 0,59 gam hn hp 2 amin n chc no bc 1 (c s C khng qu 4) phi dng 1 lt dung dch A. CTPT 2 amin: A. CH3NH2 v C4H9NH2 B. CH3NH2 v C2H5NH2 C. C3H7NH2 D. C4H9NH2 v CH3NH2 hoc C2H5NH2

a

t

h

s

A. 9:11

B. 101:9

C. 99:101

Cu 39: Dn hai lung kh clo i qua hai dung dch KOH: dung dch mt long v ngui, dung dch hai m c un nng ti 100oC. Nu lng mui KCl sinh ra trong hai dung dch bng nhau th t l th tch clo i qua hai dung dch KOH bng bao nhiu? A. 5/6 B. 5/3 Trang 3/27 C. 8/3 D. 10/3

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Cu 38: t chy hon ton 1,52 gam mt ru X thu c 1,344 lt CO2 (ktc) v 1,44 gam H2O. Cng thc phn t ca X l: A.C3H8O2 B. C3H8O3 C. C4H8O2 D. C5H10O2

.c o

Cu 29: Khi th 1 ln vi Br2 to 4 sn phm. Vy tn gi l: A. 2,2 dimetyl pentan. B. 2metyl butan. C. 2,3 imetylbutan. D. 2,3 dimetyl butan

D. T l khc

m

Cu 28: Cho hh: AO, B2O3 vo nc thu c ddX trong sut . Cho t t CO2 vo ddX n khi 9 c kt ta ln nht. Thnh phn6 kt ta gm: A. ACO3 B. B2(CO3)3 C. ACO3, B2(CO3)3 D. ACO3,B(OH)3

Cu 40: Cho 2,4 gam mt hp cht hu c X tc dng hon ton vi dung dch AgNO3 d trong NH3 thu c 7,2 gam Ag. CTCT ca X: A. CH3CHO A. CH2O Cu 42: Nguyn t gm: A. Ht nhn mang in dng v lp v mang in m. B. Cc ht proton v electron. C. Cc ht proton v ntron. D. Cc ht electron v ntron. Cu 43: iu no sau y ng khi ni v ankan: A. l hp cht hu c c cng thc CnH2n+2 B. l hydrocacbon trong phn t ch cha ni n. C. l HC ch cha lin kt xch ma trong phn t. D. Tt c u ng. Cu 44: Mnh no sau y khng ng: B. C2H5CHO B. (NH4)2CO3 C. HCHO C. CCl4 D. C3H7CHO D. (NH2)2CO Cu 41: Cht no sau y khng phi l hp cht hu c?

B. Tnh cht ha hc ca cc nguyn t trong cng phn nhm ging nhau.

Cu 45: Cu hnh electron ca ion Cl- l: A. 1s22s22p6 B. 1s22s22p63s23p6

ie t

D. Nguyn t ca cc nguyn t trong cng mt nhm chnh c s electron ha tr bng nhau v bng s th t ca nhm. C. 1s22s22p63s23p5 D. 1s22s22p63s23p4

Cu 47: Dung dch c pH=7: A. NH4Cl B. CH3COONa

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Cu 46: Cho 39,2 gam axit phosphoric phn ng vi dd cha 44g NaOH. Sau khi kt thc phn ng s thu c bao nhiu gam mui? A. 60,133 B. 63,4 C. 65,6 D.68,2 C. C6H5ONa D. KClO3

Cu 49: Chn pht biu sai: A. t chy 1 ankan cho s mol H2O > s mol CO2 B. Phn ng c trng ca ankan l phn ng th. C. Ankan ch c lin kt xch ma trong phn t. D. Clo ha ankan theo t l 1:1 ch to mt sn phm th duy nht. Cu 50: 1,52g hn hp 2 ru n k tip tc dng vi Na d thu 2,18g mui. Vy 2 ru l: A. C3H5OH, C4H7OH B. C3H7OH, C4H9OH C. C2H5OH, C3H7OH D. CH3OH, C2H5OH ----------@--------Trang 4/27

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Cu 48: Vi cng thc C3H8Ox c nhiu nht bao nhiu CTCT cha nhm chc phn ng c vi Na. A. 2 B. 3 C. 4 D. 5

m

C. Nguyn t ca cc nguyn t trong cng mt phn nhm chnh c s electron lp ngoi cng bng nhau v bng s th t ca nhm.

a

A. Tnh cht ha hc ca cc nguyn t trong cng nhm cng ging nhau.

t

h

s

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MN HA HC N S 2 (Thi gian: 90 pht) Cu 1: Ngi ta c th iu ch kim loi Na bng cch: A. in phn dung dch NaCl. C. Dng K cho tc dng vi dung dch NaCl. B. in phn NaCl nng chy. D. Kh Na2O bng CO.

Cu 11: Ho tan 0,54 gam Al trong 0,5 lt dung dch H2SO4 0,1M thu c dung dch A. Thm V lt dung dch NaOH 0,1 M cho n khi kt ta tan tr li mt phn. Nung kt ta thu c n khi lng khng i ta c cht rn nng 0,51 gam. ( Al = 27, Na = 23, O = 16, S = 32, H = 1) V c gi tr l: A. 1,1 lt B. 0,8 lt C. 1,2 lt D. 1,5 lt Cu 12: Ho tan 45,9 gam kim loi M bng dung dch HNO3 long thu c hn hp kh gm 0,3 mol N2O v 0,9 mol NO. Kim loi M l: A. Mg B. Fe C. Al D. Zn Trang 5/27

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Cu 10: Trong 3 oxit FeO, Fe2O3, Fe3O4 th cht phn ng vi HNO3 khng to ra kh l: A. FeO B. Fe2O3 C. FeO v Fe3O4 D. Fe3O4

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Cu 9: in phn 200ml dung dch CuCl2 sau mt thi gan ngi ta thu c 1,12 lt kh (ktc) anot. Ngm inh st sch trong dung dch cn li sau khi in phn, phn ng xong thy khi lng inh st tng 1,2 gam. Nng mol/lit ban u ca dung dch CuCl2 l: A. 1,2M B. 1,5M C. 1M D. 2M

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Cu 8: Mt hn hp X gm M v oxit MO ca kim loi y. X tan va trong 0,2 lt dung dch H 2SO4 0,5M cho ra 1,12 lt H2 (ktc). Bit khi lng ca M trong hn hp X bng 0,6 ln khi lng ca MO trong hn hp y. Kim loi M, khi lng M v MO trong X l: A. Mg; 1,2 gam Mg v 2 gam MgO B. Ca; 2 gam Ca v 2,8 gam CaO C. Ba; 6,85 gam Ba v 7,65 gam BaO D. Cu; 3,2 gam Cu v 4 gam CuO

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Cu 7. Ho tan 36 gam hn hp ng v oxit st t ( dng bt) theo t l mol 2 : 1 bng dung dch HCl d, phn ng xong thu c dung dch X v cht rn Y. ( Fe = 56, Cu = 64, O = 16 ). Khi lng cht rn Y bng A. 12,8 gam. B. 6,4 gam. C. 23,2 gam. D. 16,0 gam.

m

Cu 6: Xt ba nguyn t c cu hnh electron ln lt l: X: 1s22s22p63s1 ; Y: 1s22s22p63s2 ; 1s22s22p63s23p1. Hiroxit ca X, Y, Z xp theo th t tng dn tnh baz l: A. XOH < Y(OH)2 < Z(OH)3 B. Y(OH)2 < Z(OH)3 < XOH C. Z(OH)3 < Y(OH)2 < XOH D. Z(OH)2 < Y(OH)3 < XOH

a

t

Cu 5: Cho cc dung dch: HCl (X1); KNO3 (X2) ; HCl + KNO3 (X3) ; Fe2(SO4)3 (X4). Dung dch c th ho tan c bt Cu l: A. X1, X3, X4 B. X1, X4 C. X3, X4 D. X1, X3, X2, X4 Z:

h

Cu 4: Cho m gam Fe vo 100 ml dung dch Cu(NO3)2 th nng ca Cu2+ cn li trong dung dch bng 1/2 nng ca Cu2+ ban u v thu c mt cht rn A c khi lng bng m+0,16 gam. Bit cc phn ng xy ra hon ton. Khi lng Fe v nng (mol/l) ban u ca Cu(NO3)2 : A. 1,12 gam v 0,3M B. 2,24 gam v 0,2 M C. 1,12 gam v 0,4 M D. 2,24 gam v 0,3 M.

s

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Cu 3: Cho cn bng N2 (k) + 3H2(k) 2NH3(k) + Q. C th lm cn bng dung dch v pha to thm NH3 bng cch: A. H bt nhit xung B. Thm cht xc tc C. H bt p sut xung D. H bt nng N2 v H2 xung

m

Cu 2: Ch dng 1 dung dch ho cht thch hp, c th phn bit 3 kim loi ring bit: Na, Ba, Cu. Dung dch l: A. HNO3 B. NaOH C. H2SO4 D. HCl

Cu 13: C 3 bnh cha cc kh SO2, O2 v CO2. P.php thc nghim nhn bit cc kh trn l: A. Cho tng kh li qua dung dch Ca(OH)2 d, dng u que m cn tn . B. Cho tng kh li qua dung dch H2S, sau li qua dung dch Ca(OH)2 C. Cho cnh hoa hng vo cc kh, sau li qua dung dch NaOH D. Cho t ng kh i qua dung dch Ca(OH)2,sau li qua dung dch Br2 Cu 14: Sp xp cc cht sau: H2, H2O, CH4, C2H6 theo th t nhit si tng dn: A. H2 < CH4 < C2H6 < H2O B. H2 < CH4 < H2O < C2H6 C. H2 < H2O < CH4 < C2H6 D. CH4 < H2 < C2H6 < H2O Cu 15: C mt hn hp X gm C2H2, C3H6, C2H6. t chy hon ton 24,8 gam hn hp trn thu c 28,8 gam H2O. Mt khc 0,5 mol hn hp trn tc dng va vi 500 gam dung dch Br2 20%. Phn trm th tch mi kh trong hn hp ln lt l: A. 50; 20; 30 B. 25; 25; 50 C. 50; 16,67; 33,33 D. 50; 25; 25 Cu 16: Thuc th ti thiu c th dng nhn bit hexan, glixerin v dung dch glucoz l: A. Na B. Dung dch AgNO3/NH3 C. Dung dch HCl D. Cu(OH)2.

Cu 21: Cho cc dung dch ca cc hp cht sau: NH2-CH2-COOH (1) ; ClH3N-CH2-COOH (2) ; NH2-CH2-COONa (3) ; NH2-(CH2)2CH(NH2)-COOH (4) ; HOOC-(CH2)2CH(NH2)-COOH (5). Cc dung dch lm qu tm ho l: A. (3) B. (2) C. (2), (5) D. (1), (4).

Cu 24: Khi t chy cc ng ng ca mt loi ru mch h, thu c s mol CO2 lun bng s mol H2O th cc ru trn thuc dy ng ng ca : A. Ru cha no n chc, c mt lin kt i. C. Ru a chc no. B. Ru cha no, c mt lin kt i. D. Ru n chc no. Trang 6/27

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Cu 23: Trong s cc polime tng hp sau y: nha PVC (1), caosu isopren (2), nha bakelit (3), thu tinh hu c (4), t nilon 6,6 (5). Cc polime l sn phm trng ngng gm: A. (1) v (5). B. (1) v (2) C. (3) v (4) D. (3) v (5).

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Cu 22: nhn bit dung dch cc cht glixerin, h tinh bt, lng trng trng g, ta c th dng mt thuc th duy nht thuc th l: A. Dung dch H2SO4 B. Cu(OH)2 C. Dung dch I2 D. Dung dch HNO3

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Cu 20:: Ly 9,1gam hp cht A c CTPT l C3H9O2N tc dng vi dung dch NaOH d, un nng, c 2,24 lt (o ktc) kh B thot ra lm xanh giy qu tm m. t chy ht lng kh B ni trn, thu c 4,4gam CO2. CTCT ca A v B l: A. HCOONH3C2H5 ; C2H5NH2 B. CH3COONH3CH3; CH3NH2 C. HCOONH3C2H3 ; C2H3NH2 D. CH2=CHCOONH4; NH3

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Cu 19: Khi cho mt ankan tc dung vi Brom thu c dn sut cha Brom c t khi so vi khng kh bng 5,207. Ankan l: A. C2H6 B. C3H8 C. C4H10 D. C5H12

m

a

Cu 18: Xenluloz trinitrat l cht d chy v n mnh, c iu ch t xenluloz v axit nitric. Th tch axit nitric 99,67% c d = 1,52g/ml cn sn xut 59,4 kg xenluloz trinitrat nu hiu sut t 90% l ( C = 12, N = 14, O = 16, H = 1) : A. 27,72 lt B. 32,52 lt C. 26,52 lt D. 11,2 lt

t

h

Cu 17: Cho cc ho cht: Cu(OH)2 (1) ; dung dch AgNO3/NH3 (2) ; H2/Ni, to (3) ; H2SO4 long, nng (4). Mantoz c th tc dng vi cc ho cht: A. (1) v (2) B. (2) v (3) C. (3) v (4) D. (1),(2) v (4)

s

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Cu 33: Cho 0,0125 mol este n chc M vi dung dch KOH d thu c 1,4 gam mui.T khi ca M i vi CO2 bng 2. M c cng thc cu to l: A. C2H5COOCH3 B. CH3COOC2H5 C. HCOOC3H7 D. C2H3COOCH3 Cu 34: t chy hon ton m gam hirocacbon X thu c 3 gam CO2. Cng thc phn t ca X: A. C2H6 B. C3H8 C. C4H10 D. C3H6 Trang 7/27

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Cu 32: un nng 0,1 mol cht hu c X vi mt lng va dung dch NaOH thu c 13,4 gam mui ca mt axit hu c Y v 9,2 gam mt ru n chc. Cho ru bay hi 127 0C v 600 mmHg thu c th tch l 8,32 lt. ( Na = 23, O = 16, H = 1). Cng thc cu to ca X l: A. C2H5OOC-COOC2H5 B. CH3OOC-CH2-COOCH3 C. CH3COOC2H5 D. CH3OOC-COOCH3

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Cu 31: Cht hu c (A) cha C, H, O. Bit rng (A) tc dng c vi dung dch NaOH, c cn c cht rn (B) v hn hp hi (C), t (C) chng ct c (D), (D) tham gia phn ng trng gng cho sn phm (E), (E) tc dng vi NaOH li thu c (B). Cng thc cu to ca (A) l: A. HCOOCH2-CH=CH2 B. HCOOCH=CH-CH3 C. HCOOC(CH3)=CH2 D. CH3COOCH=CH2

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Cu 30: Cho 0,94 gam hn hp hai anehit n chc, no l ng ng lin tip tc dng ht vi dung dch AgNO3/NH3 thu c 3,24 gam Ag. ( Ag = 108, N = 14, O = 16, H = 1). Cng thc phn t ca 2 anehit l: A. CH3CHO v HCHO B. CH3CHO v C2H5CHO C. C2H5CHO v C3H7CHO D. C3H7CHO v C4H9CHO

m

Cu 29: Cho 360 gam glucoz ln men thnh ru etylic (gi s ch c phn ng to thnh ruetylic). Cho tt c kh CO2 hp th vo dung dch NaOH th thu c 212 gam Na2CO3 v 84 gam NaHCO3. Hiu sut ca phn ng ln men ru l: A. 50% B. 62,5% C. 75% D. 80%

a

Cu 28: Xt cc axit c cng thc cho sau: 1) CH3-CHCl-CHCl-COOH 2) CH2Cl -CH2-CHCl-COOH 3) CHCl2-CH2-CH2-COOH 4) CH3-CH2-CCl2-COOH Th t tng dn tnh axit l: A. (1), (2), (3), (4) B. (2), (3), (4), (1) C. (3), (2), (1), (4) D. (4), (2), (1), (3).

t

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Cu 27: t chy hon ton 4,6 gam cht X Cn 6,72 lt CO2 ( ktc). Sn phm chy ch c CO2 v H2O vi t l VCO2 / VH2O = 2/3. Cng thc phn t ca X l: A. C2H4O B. C2H6O C. C2H4O2 D. C3H8O

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Cu 26: Cho hn hp gm khng kh d v hi ca 24gam metanol i qua bt Cu nung nng (xc tc) sn phm thu c c th to ra 40ml fomalin 36% c d=1,1g/ml. Hiu sut ca qu trnh trn: A. 80,4% B. 70,4% C. 65,5% D. 76,6%

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Cu 25: Trong s cc pht biu sau: 1) Phenol c tnh axit mnh hn etanol v nhn benzen ht electron ca nhm -OH bng hiu ng lin hp, trong khi nhm -C2H5 li y electron vo nhm -OH. 2) Phenol c tnh axit mnh hn etanol v c minh ho bng phn ng phenol tc dng vi dung dch NaOH, cn C2H5OH th khng. 3) Tnh axit ca phenol yu hn axit cacbonic, v sc CO2 vo dung dch C6H5ONa ta s c C6H5OH . 4) Phenol trong nc cho mi trng axit, lm qu tm ho . Cc pht biu ng l: A. 1, 2 v 3 B. 2 v 3 C. 1, 3, v 4 D. 2 v 4.

Cu 35: Nguyn t X c hai ng v, c t l s nguyn t ca ng v I v II l 27/23. Ht nhn ca X c 35 proton. ng v I c 44 ntron, ng v II c nhiu hn ng v I l 2 ntron. Nguyn t khi trung bnh ca nguyn t X l: A. 79,2 B. 78,9 C. 79,92 D. 80,5 Cu 36: Dung dch X cha axit HCl a mol/l v HNO3 b mol/l. trung ho 20 ml dung dch X cn dng 300 ml dung dch NaOH 0,1 M. Mt khc ly 20 ml dung dch X cho tc dng vi dung dch AgNO3 d thy to thnh 2,87 gam kt ta. ( Ag = 108, Cl = 35,5 ). Gi tr ca a, b ln lt l: A. 1,0 v 0,5 B. 1,0 v 1,5 C. 0,5 v 1,7 D. 2,0 v 1,0 Cu 37: Ion CO32- cng tn ti vi cc ion sau trong mt dung dch: A. NH4+, Na+, K+ B. Cu2+, Mg2+, Al3+ C. Fe2+, Zn2+, Al3+

Cu 38. Dung dch E cha cc ion Mg2+, SO42-, NH4+, Cl-. Chia dung dch E ra 2 phn bng nhau: Cho phn I tc dng vi dung dch NaOH d, un nng, c 0,58 gam kt ta v 0,672 lit kh (ktc). Phn II tc dng vi dung dch BaCl2 d, c 4,66 gam kt ta. Tng khi lng cc cht tan trong dung dch E bng (Mg = 24, Ba = 137, S = 32, O = 16, Na = 23,H = 1, Cl = 35,5) A. 6,11g. B. 3,055g. C. 5,35g. D. 9,165g. Cu 39: Cho cc dung dch sau: NaHCO3 (X1) ; CuSO4 (X2) ; (NH4)2CO3 (X3) ; NaNO3 (X4) ; MgCl2 (X5) ; KCl (X6). Nhng dung dch khng to kt ta khi cho Ba vo l: A. X1, X4, X5 B. X1, X4, X6 C. X1, X3, X6 D. X4, X6. Cu 40: Khi t chy cc ng ng ca mt loi ru thu c t l nCO2 : nH2O tng dn khi s nguyn t C trong ru tng dn. Cng thc tng qut ca cc ru trong dy ng ng trn l: A. CnH2nO ( n 3) B. CnH2n+2O ( n 1) C. CnH2n-6O ( n 7) D. CnH2n-2O ( n 3)

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Cu 41: Dung dch NH3 0,1 M c in li bng 1%. pH ca dung dch NH3 bng: A. 10,5 B. 11,0 C. 12,5

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D. Fe3+, HSO4-

13,0

Cu 46. Hirocacbon X tc dng vi brom trong iu kin thch hp, thu c ch mt dn xut brom c t khi hi so vi hiro bng 75,5 ( Br = 80). Cht X l A. pentan. B. xiclopentan. C. 2- metylbutan. D. 2,2-imetylpropan. Trang 8/27

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Cu 45: tch butin-1 ra khi hn hp vi butin-2 , nn A. dng phng php chng ct phn on. B. dng dung dch brom. C. dng dung dch AgNO3/NH3, sau dng dung dch HCl. D. dng dung dch KMnO4.

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Cu 44: t chy 1,12 lit (ktc) hn hp hai hirocacbon X,Y ng ng lin tip (M X < MY), ta thu c 2,88 gam nc v 4,84 gam CO2. Thnh phn % theo th tch ca hai hirocacbon X,Y trong hn hp tng ng l: A. 50; 50 B. 20; 80 C. 33,33 ; 66,67 D. 80 , 20.

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Cu 43: Hp cht hu c C4H7O2Cl khi thu phn trong mi trng kim c cc sn phm trong c hai cht c kh nng tham gia phn ng trng gng. Cng thc cu to ca cht hu c l: A. HCOO-CH2- CHCl-CH3 B. CH3-COO-CH2-CH2Cl C. HCOOCHCl-CH2-CH3 D. HCOOC(CH3)Cl-CH3

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Cu 42: Nung 44 gam hn hp X gm Cu v Cu(NO3)2 trong bnh kn cho n khi mui nitrat b nhit phn hon ton thu c cht rn Y. Y phn ng va vi 600 ml dung dch H2SO4 0,5 M (Y tan ht). Khi lng Cu v Cu(NO3)2 c trong hn hp X l : A. 6,4 g Cu; 37,6 g Cu(NO3)2 B. 9,6 g Cu; 34,4 g Cu(NO3)2 C. 8,8 g Cu; 35,2 g Cu(NO3)2 D. 12,4 g Cu; 31,6 g Cu(NO3)2

Cu 47: Dn hai lung kh clo i qua hai dung dch KOH: dung dch I long v ngui, dung dch II m c, un nng ti 80oC. Nu lng mui KCl sinh ra trong hai dung dch bng nhau th t l th tch kh clo i qua hai dung dch KOH ( I ) v ( II ) l : (Cho : K = 39, Cl = 35,5) A. 5/6 B. 6/3 C. 10/3 D. 5/3 Cu 48: C mt loi qung pirit cha 96% FeS2. Nu mi ngy nh my sn xut 100 tn H2SO4 98% v hiu sut iu ch H2SO4 l 90% th lng qung pirit cn dng l : A. 69,44 tn B. 68,44 tn C. 67,44 tn D. 70,44 tn. Cu 49: Phn tch nh lng hp cht hu c X ta thy t l khi lng gia 4 nguyn t C, H, O, N l: mC : mH : mO : mN = 4,8 : 1 : 6,4 : 2,8. T khi hi ca X so vi He bng 18,75. Cng thc phn t ca X l ( cho He = 4, C =12, N = 14, O = 16, H = 1) A. C2H5O2N. B. C3H7O2N. C. C4H10O4N2. D. C2H8O2N2. Cu 50: Polivinyl axetat l polime c iu ch t sn phm trng hp monome no sau y: A. CH2=CH-COOCH3 B. CH2=CH-COOH C. CH2=CH-COOC2H5 D. CH2=CH-OCOCH3 ........................... HT.........................

MN HA HC

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Cu 6: nhn bit NaHCO3 v NH4HSO4 ta c th dng: A. ddHCl B. ddBa(OH)2 C. ddNaOH

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Cu 5: C mt hp cht hu c n chc Y, khi t chy Y ta ch thu c CO 2 v H2O vi s mol nh nhau v s mol oxi tiu tn gp 4 ln s mol ca Y. Bit rng: Y lm mt mu dung dch brom v khi Y cng hp hiro th c ru n chc. Cng thc cu to mch h ca Y l: A. CH3-CH2-OH B. CH2=CH-CH2-CH2-OH C. CH3-CH=CH-CH2-OH D. CH2=CH-CH2-OH . D. A, B, C u c

Cu 7: Cho m g hn hp gm 3 kim loi ng trc H2 trong dy hot ng ha hc phn ng ht vi H2SO4 d, thu c 1,008 lt H2 (kc). C cn dung dch thu c 7,32 g rn. Vy m c th bng: A. 3g B. 5,016g C. 2,98g D. 4,25 g

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Cu 4: X l ru bc II c CTPT C6H14O. un nng X vi H2SO4 c 1700C ch to mt anken duy nht. Tn ca (X) l : A. 2,2-imetylbutanol-3 B. 2,3-imetylbutanol-3 C. 3,3-imetylbutanol-2 D. 2,3-imetylbutanol-2

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Cu 3: Cho 31,9 gam hn hp Al2O3, ZnO, FeO, CaO tc dng ht vi CO d nung nng thu c 28,7 gam hn hp Y. Cho Y tc dng vi dung dch HCl d thu c V lt H2 (ktc). Th tch H2 l: A. 6,72 lt B. 11,2 lt C. 5,6 lt D. 4,48 lt

Trang 9/27

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Cu 2: un hn hp X gm 2 cht hu c A, B vi H2SO4 c 140OC; thu c 3,6 gam hn hp B gm 3 te C s mol bng nhau v 1,08 gam nc. Hai cht hu c l: A. CH3OH v C3H7OH B. CH3OH v C2H5OH C. C3H7OH v CH2=CH-CH2OH D. C2H5OH v CH2=CH-CH2OH

a

A. 1,2 lt

B. 0,24 lt

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Cu 1: Ha tan 2,49 gam hh 3 kim loi ( Mg, Fe, Zn) bng lng va dd H2SO4 1M, thu c1,344 lt H2 (kc) Th tch dung dch H2SO4 cn dng l: C. 0,06 lt D. 0,12 lt

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N S 3 (Thi gian: 90 pht)

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Cu 8: Cho 8,8 gam mt hn hp gm 2 kim loi 2 chu k lin tip thuc phn nhm chnh nhm II tc dng vi 120 ml dung dch HCl 1M, c 6,72 lt (kc) kh hiro hai kim loi l: A. Be v Mg B. Ca v Sr C. Mg v Ca D. A, B u ng. Cu 9: C cc phn ng: (1) Fe3O4 + HNO3 ; (3) Fe2O3 + HNO3 ; (5) HCl + Mg ; Phn ng no l phn ng oxi ha kh: A. 1,2,4,5,6 B. 2,6,3 (2) FeO + HNO3 (4) HCl + NaAlO2 + H2O (6) Kim loi R + HNO3 C. 1,4,5,6

Cu 17: R-NO2 +Fe +H2OFe3O4 +R -NH2. Cc h s theo th t cc cht ln lt l: A. 4, 9, 4, 3, 4 B. 4, 8, 4, 3, 4 C. 2, 4, 2, 3, 4 D. 2, 3, 2, 3, 4 Cu 18: Cho p X+ NO3 + H+ M2+ + NO +H2O. Cc h s theo th t cc cht ln lt l: A. 3, 4, 8, 3, 4, 4 B. 3, 2, 8, 3, 2, 4 C. 3, 6, 8, 3, 6, 4 D. 3, 8, 8, 3, 8, 4

Cu 19: Hn hp X gm 2 axit cacboxylic. trung ha ht m (g) X cn 400 (ml) dung dch NaOH 1,25 (M). t chy hon ton m (g) X, thu c 11,2 lt CO2 (ktc). Cng thc cu to thu gn ca 2 axit trong X l: A. HCOOH v CH3COOH B. HCOOH v HOOC COOH. C. CH3COOH v HOOC CH2 COOH D. CH3COOH v HOOC COOH. Cu 20: Nhng loi hp cht hu c mch h no ng vi cng thc tng qut CnH2nO. A. Ru khng no n chc B. Anehit no C. Xeton D. Tt c u ng Trang 10/27

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Cu 16: Dung dch A: 0,1mol M2+ ; 0,2 mol Al3+; 0,3 molSO42- v cn li l Cl-. Khi c cn ddA thu c 47,7 gam rn. Vy M s l: A. Mg B. Fe C. Cu D. Al

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Cu 15: Mt anhit n no c %O=36,36 v khi lng. Tn gi ca anhit ny l: A. Propanal B. 2-metyl propanal C. Etanal D. Butanal

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Cu 14: Ha tan 1,95 (g) mt kim loi M ha tr n trong H2SO4 c d. P hon ton, thu c 4,032 lt SO2 (kc) v 1,28 (g) rn. Vy M l: A. Fe B. Mg C. Al D. Zn

a

Cu 13: t chy a mol mt este no ; thu c x mol CO2 v y mol H2O. Bit x y = a. Cng thc chung ca este: A. CnH2n-2O2 B. CnH2n-4O6 C. CnH2n-2O4 D. CnH2nO2

t

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Cu 12: Cho 20g bt Fe vo dung dch HNO3 v khuy n khi phn ng xong thu c V lt kh NO v cn 3,2g kim loi. Gi tr V l: A. 2,24lt B. 4,48lt C. 5,6lt D. 6,72lt

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Cu 11: Cho bt Al vo dung dch hn hp:NaNO3 ; NaNO2; NaOH s c s phn ng nhiu nht bng: A.1 B. 2 C. 3 D. Gi tr khc

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Cu 10: C cc cht: Cu (1); HCl (2); ddKNO3 (3); ddFeSO4 (5); ddFe2(SO4 )3 (6); O2 (7). T cc cht trn c th to nhiu nht c: A. 2 phn ng B. 3 phn ng C. 4 phn ng D. 5 phn ng

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D. 1,2,5,6

Cu 21: 28 gam bt st ngoi khng kh mt thi gian thy khi lng tng ln thnh 34,4gam. Thnh phn % khi lng st b oxi ha l: A. 99,9% B. 60% C. 81,4% D. 48,8% Cu 22: CTTQ ca Este sinh bi axit n no v ng ng benzen l: A. CnH2n - 6O2 B. CnH2n 8O2 C. CnH2n - 4 O2 2O2. D. CnH2n-

Cu 25: Este A c %O = 44,44%. Vy A c CTPT l: A. C6H4O4 B . C6H8O4 C. C6H!2O4

Cu 29: t ru A. Dn ht sm phm chy vo bnh ng dung dch Ca(OH)2 d; thy c 3 gam kt ta v khi lng bnh tng 2,04 gam. Vy A l: A. CH4O B. C2H6 O C. C3H8O D. C4H10O

Cu 32: Hn hp X gm 2 axit no: A1 v A2. t chy hon ton a mol X thu c 11,2 lt kh CO2 (ktc). trung ha a mol X cn 500ml dung dch NaOH 1M. Cng thc cu to ca 2 axit l: A. CH3COOH v C2H5COOH B. HCOOH v HOOC-COOH C. HCOOH v C2H5COOH D. CH3COOH v HOOC-CH2-COOH

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Cu 31: Trong cng nghip, natri hiroxit c sn xut bng phng php: A. in phn dung dch NaCl, khng c mng ngn in cc. B. in phn dung dch NaCl, c mng ngn in cc. C. in phn dung dch NaNO3 , khng c mn ngn in cc. D. in phn NaCl nng chy.

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Cu 30: Ba cht hu c X, Y, Z cng cha C, H, O. Khi t chy mi cht lng oxy cn dng bng 9 ln lt oxy c trong mi cht tnh theo s mol v thu c CO2, H2O c t l khi lng tng ng bng 11: 6. th hi mi cht u nng hn khng kh d ln (cng nhit , p sut). Cng thc n gin nht ca X, Y, Z l: A. (C2H6O)n B. (C4H10O)n C. (C3H8O)n D. Kt qu khc

Trang 11/27

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Cu 28: Cho 1,8 gam mt axit (A) n chc p ht vi NaHCO3. Dn ht kh thu c vo bnh dung dch KOH d; thy khi lng cht tan trong bnh tng 0,78 gam. Vy (A ) c CTCT: A.C2H5 COOH B.C3H7COOH C.CH3COOH D. Cng thc khc

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a

Cu 27: A cha C,H,O c %O = 53,33%. Khi A p v Na v vi NaHCO3 c t l mol A: mol H2 = 1:1 v mol A: mol CO2 = 1:1. Vy CTPT ca A l: A. C2H4O2 B. C3H6O3 C. C4H8O3 D. C5H10O4

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Cu 26: Kh Fe2O3 bng CO nhit cao thu c hn hp X gm 4 cht rn. Khi ha tan X bng HNO3 d thu c 0,02mol NO v 0,03mol N20. Ha tan X bng H2S04 c nng th thu c V (lit) kh. Gi tr V l: A. 2,24 B. 3.36 C. 4,48 D. 6.72

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Cu 24: Cho NO2 p vi NaOH d, thu c dung dch A. Cho Al vo ddA; thu c hn hp gm 2 kh . Vy 2 kh l: A. H2, NO2 B. NH3, CO2 C. NO, NO2 D. A,B u ng D. C6H!4O4

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Cu 23: (A) l este n chc, mch C h v c mC : mO 9 : 8 . C tt c bao nhiu CTCT ca (A) c th c: A. 3 B. 4 C. 5 D. 6

Cu 33: Mt ankanol X c 60% cacbon theo khi lng trong phn t. Nu cho 18 gam X tc dng ht vi Na th th tch kh H2 thot ra ( iu kin chun) l: A. 1,12 lt B. 2,24 lt C. 3,36 lt D. 4,46 lt Cu 34: Cho s chuyn ha sau: Cl2 A B C A Cl2. Trong A, B, C l cht rn v u cha nguyn t clo. Cc cht A, B, C l: A. NaCl; NaOH v Na2CO3 B. KCl; KOH v K2CO3 C. CaCl2; Ca(OH)2 v CaCO3 D. C 3 cu A, B v C u ng Cu 35: C ddA: HF 0,1M v NaF 0,1 M; Bit: Ka 6, 8.104 ; log 6, 8 0, 83 pH ca ddA s c bng: A. 2,17 B. 3,17 C. 3,3 D. 4,2 Cu 36: X cha C, H, O c MX = 60 vC. X c s ng phn phn ng c vi NaOH bng: A.1 C. 3 B. 2 D.4

3

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Cu 39: C 4 dung dch trong sut, mi dung dch ch cha mt loi cation v mt loi anion. Cc loi ion trong c 4 dung dch gm Ba2+, Mg2+, Pb2+, Na+, SO4 2-, Cl-, CO32-, NO3-. Trong 4 dung dch c 2 dd cha cc ion sau: A. NO , Na , Cl , Mg2 B. SO 2 ; Na ; Cl ; Ba 24

C. Na ; NO3 ; Pb2 ; CO32

Cu 41: Cu hnh electron nguyn t ca X : 1s2 2s2 2p6 3s2 3p6 . X c c im sau: A. X l kim loi B. X khi tr C. X c 3 elec tron ho tr D. X l phi kim Cu 42: Cho hh: AO, B2O3 vo nc thu c ddX trong sut cha: A. A(OH)2, B(OH)3 B. A(OH)2, B2O3 C. A(OH)2, A3(BO2)2 D. A(OH)2, A(BO2)2 Cu 43: Cho ddAlCl3 vo dung dch NaAlO2 s thy: A. Khng c hin tng B. C kt ta trng xut hin C. C kh thot ra D. C kt ta v c kh bay ra Cu 44: Cho hh bt KL: a mol Mg, b mol Al, p vi dd hh cha c mol Cu(NO3)2 , d mol AgNO3 Sau p thu c rn cha 2kim loi. Biu thc lin h a,b,c,d: A. 2a + 3b = 2c + d B. 2a + 3b 2c d C. 2a + 3b 2c d D. 2a + 3b 2c + d Trang 12/27

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Cu 40: Hydrocacbon A c M > 58 v c CTN : (C3H4)n.Vy A l cht no v thuc dy ng ng no hc: A. C3H4, ankin B. C6H8, ankadien C. C9H12, aren D. C 3 u sai

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a

Cu 38: Cho hh A: 0,15 mol Mg , 0, 35 mol Fe p vi V lit ddHNO3 1M; thu c ddB, hhG gm 0,05 mol N2O, 0,1 mol NO v cn 2,8 gam kim loi. Gi tr V l: A. 1,1 B. 1,15 C.1,22 D.1,225

D. A v C

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Cu 38: un nng 11,5g ru etylic xc tc H2SO4 c 140oC thu c a gam cht hu c. Khi hiu xut 75% a bng: A. 9,2500g B. 13,8750g C. 6,9375g D. 18,5000g

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Cu 45: Mt hp cht X c Mx < 170. t chy hon ton 0,486 gam X sinh ra 405,2ml CO2 (ktc) v 0,270 gam H2O. X tc dng vi dung dch NaHCO3 v vi natri u sinh ra cht kh vi s mol ng bng s mol X dng. Cng thc cu to ca X l: A. HO-C4H6O2-COOH B. HOOC-(CH2)5-COOH C. HO-C3H4-COOH D. HO- C5H8O2-COOH Cu 46: Dung dch KOH 0,02M c pH bng: A. 12 C. 12,02 B.13,7 D. 11,3

----------@-------- N S 4 (Thi gian: 90 pht) Cu 1: Ru C5H12O c s ng phn ru bc 2 l : A. 5 B. 3 C. 4 D. 2

Cu 3: Hn hp A gm C3H4, C3H6 , C3H8,( M hh = 42 ). t chy 1,12 lt hn hp A ri sn phm chy vo bnh c Ba(OH)2 th bnh ny tng: A. 9,3 g B. 8,4 g C. 6,2 g D. 14,6 g

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Cu 2: t chy 2 hidrcacbon thu m gam H2O v 2m gam CO2. Hai hidrcacbon ng ng v k tip l: A. C4H10, C5H12 B. C2H2 , C3H4 C. C3H6 , C4H8 D. 2 cht khc hp thu

Cu 5: Hn hp A c C2H4, C3H4 ( M hh = 30). Dn 6,72 lt hn hp A qua bnh c Br2 d, bnh ny tng: A. 9,2 g B. 4,5 g C. 9 g D. 10,8 g Cu 6: Cracking hon ton 2,8 lt C5H12 thu hh B. t chy hn hp B thu tng lng CO2, H2O l: A. 27g B. 41g C. 82g D. 62g

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Cu 4: Cho hidrcacbon X tc dng Br2 (1:1 mol) thu sn phm c 80% Br khi lng. Vy X thuc dy ng ng l: A. anken B. ankan C. ankin D. ankin hoc ankadien.

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Trang 13/27

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MN HA HC

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Cu 50: Trn 100 ml dung dch HCl vi 150 ml dung dch KOH thu dung dch ch c H2O, KCl. Trn 150 ml dung dch HCl vi 150 ml dung dch KOH thu dung dch c: A. H2O, KCl B. H2O, KCl, KOH C. H2O, KCl, HCl D. H2O, KCl, HCl,KOH

a

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Cu 49: Trn 100ml dung dch H2SO4 0,4M vi 200ml dung dch NaOH 0,4M thu dung dch mui c pH l: A. 0 B. 7 C.12 D. pH >7

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Cu 48: Cho 10,6g hn hp K2CO3 va Na2CO3 vao 12g dd H2SO4 98%. Khi lng dung dich c gi tr: A. 22,6g B. 19,96g C. 18,64g D.17,32 g

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Cu 47: 1,68 lt hn hp A: CH4, C2H4 (kc) c KLPTTB bng 20. t chy hon ton hhA; thu x gam CO2. Vy x bng: A.3,3g B. 4,4g C . 6,6g D. 5,6 g

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Cu 7: Hn hp X c C2 H2, C3H6 , C2H6 ,H2 ( M hh =30). un nng 2,24 lt hn hp X vi Ni mt thi gian thu hn hp Y . Cho hn hp Y qua bnh c dung dch Br2 d th cn 0,56 lt hn hp Z ( M hh =40) . Vy bnh Br2 tng: A. 4g B. 8g C. khng tnh c , thiu d kin D. 2g Cu 8: t chy hn hp A gm c nhiu hidrcacbon thu 6,72 lt CO2 (kc) v 3,6g H2O. Vy V lt O2 cn t l: A. 8,96lt B. 2,24 lt C. 6,72lt D. 4,48lt Cu 9: Ru no sau y l bc 3: A. 2- mtyl - propanol -2 C. 2-mtyl- butanol-2 B. 2,3-dim tyl- butanol-2 D. C 3

Cu 10: Sn phm chnh khi hp nc 3- mtyl- buten-1 c tn l: A. 2-m tyl-butanol-3 B. 3-m tyl butanol-1 C. 3-mtyl-butanol-2 D. c 3 sai

Cu 14: Ankanol A v Akanoic B c MA = MB. Khi t chy p gam hn hp thu 0,4mol CO2 v p gam hh tc dng Na d thu 1680 ml H2 (kc). Vy A, B l: A. HCHO, HCOOH B. C3H7OH, CH3COOH C. C4H10O v C3H6O2 D. HCOOH, C2H5OH

Cu 16: 4,2g este n no tc dng NaOH thu 4,76g mui. Axt to ra este l: A. HCOOH B. C2H5COOH C. RCOOH D. CH3COOH Cu 17: t chy x gam amin A vi khng kh va thu 26,4g CO2 , 18,9g H2O v 104,16 lt N2 (kc) .Vy x gam A l: A. 13,5g B. 7,5g C. 9,5g D. S khc Cu 18: Tm pht biu sai: A. Tnh cht ha hc ca kim loi l kh. B. Cng nhm th tnh kim loi tng khi sang chu k mi. C. Tnh cht c trng ca kim lai l tc dng c dung dch baz. D. Kim loi c nh kim , do ,dn in v dn nhit. Cu 19: Cc kim loi no vi s hiu l A (Z=30); B(Z=17); C(Z=20); D(Z=13): A. A, B B. A, C, D C. B, C, D D. C 4

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Cu 15: t chy 27,6g khi 3 ru C3H8O, C2H6 O, CH4O thu 32,4g H2O v lng CO2 l: A. 52,8g B. 39,6g C. 44g D. 66g

Trang 14/27

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Cu 13: 14,8g hn hp 2 axit n chc tc dng Na2CO3 va to 2,24 lt CO2 v thu x gam hn hp mui l: A. 17,6 g B. 19,2 g C. 27,4 g D. 21,2 g

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a

Cu 12: 2,64g hn hp HCOOH, CH3COOH , phenol tc dng Vml dung dch NaOH 1M thu 3,52g mui. Vy V ml dung dch l: A. 30ml B. 50ml C. 40ml D. 20ml

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Cu 11: Hn hp X g m 2 ru n chc A , B. t chy 0,04mol hn hp thu 1,568 lt CO2 (kc). Bit s cacbon ru ti a l 3 v B c ng phn. Vy A, B l: A. CH3OH , C2H5OH B. CH3OH , C3H7OH C. C2H5OH , C3H7OH D. 2 cht khc

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Cu 20: Cho cc cht v ion di y : NO3 , Fe2+, NO2, Fe3+, S, Cl2, O2, SO2. Nhng cht v ion va c tnh oxi ha va c tnh kh l: A. NO3 , S, Fe3+, Cl2, O2 B. Fe2+, S, NO2, Cl2, SO2 C. NO3 , S, O2, SO2 D. Fe2+, Fe3+, S, Cl2, O2 Cu 21: Cho 31,9 gam hn hp Al2O3, ZnO, FeO, CaO tc dng ht vi CO d nung nng thu c 28,7 gam hn hp Y. Cho Y tc dng vi dung dch HCl d thu c V lt H2(ktc). Th tch H2 l: A. 4,48 lt B. 11,2 lt C. 6,72 lt D. 5,6 lt Cu 22: Dd A c cha: Mg2+, Ba2+, Ca2+ v 0,2 mol Cl , 0,3 mol NO3 . Thm dn dn dung dch Na2CO3 1M vo dung dch A cho n khi c lng kt ta ln nht th ngng li. Hi th tch dung dch Na2CO3 thm vo l: A. 150 ml B. 200 ml C. 300 ml D. 250 ml Cu 23: Cho hn hp Cu v Fe vo dung dch HNO3 long, n khi phn ng xy ra hon ton thu c dung dch (X) v cht rn (Y) cha 1 kim loi. Cho dung dch NaOH vo dung dch (X) c kt ta (Z). Kt ta (Z) gm nhng cht no sau y: A. Fe(OH)2 v Cu(OH)2 B. Fe(OH)2 C. Fe(OH)3 v Cu(OH)2 D. Fe(OH)3 Cu 24: Cho 29,2 gam hhX: ACO3, BCO3 p vi HCl d. Sau p thu c ddD v V lit CO2 (kc). C cn dd D c 32,5 gam rn. A, B l: A. Mg, Ca B. Be,Mg C. Ca, Sr D. Sr, Ba Cu 25: Cho 3,78 gam bt nhm p va vi dd clorua M, thu c ddY. Khi lng cht tan trong ddY gim 4,06 g so vi dd Clorua M. Mui Clorua M: A. FeCl3 B. Zn Cl2 C. CuCl2 D. FeCl2

Cu 27: Hydrocacbon A tc dng vi dd cha 0,2 mol brm, c 34,6 g mt dn xut cha 4 brm. T A, iu ch trc tip c: A. etylenglicol B. andehyt axetic C. axeton D. axit axetic Cu 28: Khi cho ankan X (trong phn t c phn trm khi lng cacbon bng 83,72%) tc dng vi clo theo t l s mol 1:1 (trong iu kin chiu sng) ch thu c 2 dn xut monoclo ng phn ca nhau. Tn ca X l: A. 2-metylpropan B. butan C. 2,3-imetylbutan D. 3-metylpentan Cu 29: Hn hp gm hirocacbon X v oxy c t l s mol tng ng l 1:10. t chy hon ton hn hp trn thu c hn hp kh Y. Cho Y qua dung dch H2SO4 c, thu c hn hp kh Z c t khi i vi hiro bng 19. Cng thc phn t ca X: A. C4H8 B. C3H8 C. C3H6 D. C3H6 Cu 30: Mt hirocacbon X cng hp vi axit HCl theo t l mol 1:1 to sn phm c thnh phn khi lng clo l 45,223%. Cng thc phn t ca X l: Trang 15/27

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Cu 26: Dn V lt ( ktc) hn hp X gm axetilen v hiro i qua ng s ng bt niken nung nng, thu c kh Y. Dn Y vo lng d AgNO3 (hoc Ag2O) trong dung dch NH3 thu c 12 gam kt ta. Kh i ra khi dung dch phn ng va vi 16 gam brom v cn li kh Z. t chy hon ton kh Z thu c 2,24 lt kh CO2 ( ktc) v 4,5 gam nc. Gi tr ca V bng: A. 8,96 B. 13,44 C. 5,60 D. 11,2

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A. C4H8 C. C3H4

B. C3H6 D. C2H4

Cu 31: Ba hirocacbon X, Y, Z k tip nhau trong dy ng ng, trong khi lng phn t Z gp i khi lng phn t X. t chy 0,1 mol cht Y, sn phm kh hp th hon ton vo dung dch Ca(OH)2 (d), thu c s gam kt ta l: A. 10 B. 20 C. 40 D. 30 Cu 32: Hirat ha 2 anken ch to thnh 2 ancol (ru). Hai anken l: A. 2-metylpropen v but-1-en (hoc buten-1) B. eten v but-1-en (hoc buten-1) C. eten v but-2-en (hoc buten-2) D. propen v but-2-en (hoc buten-2)

Cu 40: Ha tan 1,19 gam hn hp (Al v Zn) bng dung dch HCl d. Sau phn ng c cn dung dch thu c 4,03 gam mui khan. Th tch kh thot ra l: A. 0,224 lt B. 0,448 lt C. 0,672 lt D. 0,896 lt Cu 41: X l C3H6O2 v Y l C2H4O2. Hn hp A, B tc dng NaOH thu 1 mui v 1 ru: Trang 16/27

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Cu 39: Cho 45,6 gam hn hp 2 mui ccbonat kim loi kim tc dng ht vi dung dch HCl th thu c 8,96 lt kh CO2 thot ra ktc. Tng khi lng 2 mui clorua to thnh l: A. 50 gam B. 25 gam C. 5 gam D. 75 gam

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Cu 38: Cch lm sch etilen c ln axetilen l: A. Dn qua dung dch Br2 C. Dn qua dung dch KMnO4

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Cu 37: t chy hon ton V (lt) mt hidrocacbon kh (X) trong bnh kn c d O2 thu c hn hp (Y) gm 4V (lt) CO2 , hi H2O v O2 d. Bit p sut u bng p sut lc sau. CTPT ca (X) l: A. C4H6 B. C4H4 C. C4H10 D. C4H8 B. Dn qua dung dch AgNO3/NH3 D. Tt c u ng

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Cu 36: t chy hon ton 8,96 lt (ktc) hn hp 2 anken lin tip nhau trong dy ng ng thu c (m + 39) gam CO2 v m gam H2O. CTPT ca 2 anken l: A. C4H6 v C5H8 B. C3H6 v C4H8 C. C2H4 v C3H6 D. C4H8 v C5H10

m

Cu 35: ehydrat hon ton hn hp ru X thu c hn hp Y gm 2 anken. Nu t chy hon ton hn hp X thu c 17,6 gam CO2 th khi t chy hon ton hn hp Y, dn sn phm vo bnh dung dch Ca(OH)2 d. Khi lng bnh Ca(OH)2 nng thm l: A. 2,76 gam B. 1,76 gam C. 2,48 gam D. 2,94 gam

a

t

Cu 34: Chia hn hp X gm 2 ankin thnh 2 phn bng nhau. t chy hon ton phn 1 thu c 1,76g CO2 v 0,54g H2O. Phn 2 cho vo dung dch Br2 d, th lng Br2 tham gia phn ng l: A. 1,6 gam B. 4 gam C. 6,4 gam D. 3,2 gam

h

s

Cu 33: Hn hp A gm 1 ankan v 1 anken. t chy hon ton hn hp A thu c a (mol) H 2O v b (mol) CO2. T s T = a/b c gi tr trong khong: A. 1 < T < 2,5 B. 1 < T < 2 C. 1,2 < T < 1,5 D. 0 < T < 1

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A. X, Y u l axit C. X l este, Y l axit

B. X l axit, Y l este D. Y l este, X l axit

Cu 42: Cho 31,9 gam hn hp Al2O3, ZnO, FeO, CaO tc dng ht vi CO d nung nng thu c 28,7 gam hn hp Y. Cho Y tc dng vi dung dch HCl d thu c V lt H2 (ktc). Th tch H2 l: A. 5,6 lt B. 6,72 lt C. 4,48 lt D. 11,2 lt Cu 43: Hn hp A c Glyxerin v ankanol X. Ly 20,3g hn hp A tc dng vi Na thu 5,04 lt H2. Ly 8,12g hn hp A tc dng 1,96g Cu(OH)2. Vy A l: A. C2H5OH B. C3H7OH C. CH3OH D. C4H9OH Cu 44: Kh ht 9,12g hn hp Fe2O3, FeO vi H2 nhit cao thu 2,7g H2O khi lng ca 1 cht lc u l: A. 2,4g B. 1,8g C. 3,2g D. 4,8g Cu 45: Dung dch A l NaAlO2 a(M), dung dch B l HCl b(M). 0,25 lt dung dch A trn vi 50ml dung dch B c 3,9g kt ta. 0,25lt dung dch A trn vi 125ml dung dch B c 5,85 g kt ta. Gi tr a, b l: A. 0,25 v 0,5 B. 0,3 v 0,9 C. 0,35 v 1 D. 0,4 v 1,2 Cu 46: Oxi ha 4 gam ru n chc (X) bng O2 (c mt xc tc) thu c 5,6 gam hh(Y) gm andehyt, ru d v nc. Tn ca (X) v hiu sut phn ng l: A. Etanol; 75% B. Propanol-1; 80% C. Metanol ; 80% D. Metanol ; 75% Cu 47: H tan 10g hn hp 2 mui cacbonat ca 2 kim loi ha tr 2 v 3 vi HCl thu 0,672 lt kh v to lng mui l: A. 10,33g B. 12,33 g C. 9,33g D. 11,33g Cu 48: Cho 12g hn hp Fe ,Cu v dung dch CuSO4 d, khi phn ng xong thu 12,8g cht rn. Vy % Cu trong hn hp ban u l: A. 46,7% B. 33,33% C. 50% D. 53,3% Cu 49: Mui A c cng thc C3H10O2N2 tc dng NaOH thu mui B v amin bc 1 c s cng thc cu to l : A. 4 B. 3 C. 2 D. 5 Cu 50: Cho 30,8 gam hn hp gm glixerin v mt ru no, n chc (X) phn ng vi Na d thot ra 8,96 lt kh (ktc). Cng lng hn hp trn ha tan c 9,8 gam Cu(OH)2. CTPT ca ru X l: A. C4H9OH B. CH3OH C. C2H5OH D. C3H7OH

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N S 5 (Thi gian: 90 pht) Cu 1: t chy hon ton mt ru (ancol) X thu c CO2 v H2O c t l s mol tng ng l 3:4. Th tch kh oxi cn dng t chy X bng 1,5 ln th tch kh CO2 thu c ( cng iu kin). Cng thc phn t ca X l: Trang 17/27

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MN HA HC

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A. C3H8O

B. C3H8O3

C. C3H4O

D. C3H8O2 D. NaNO3 D. CnH2nCOOH

Cu 2: lm mt tnh cng ca nc, c th dng: A. K2CO3 B. KHSO4 C. K2SO4 Cu 3: Axit acrylic (CH2=CH-COOH) c cng thc chung l: A. (C2H3COOH)n B. C2nH3nCOOH C. CnH2n 1COOH

Cu 6: Nguyn t X c cu hnh electron phn lp ngoi l: np4. Ion X c in tch l: A. 1B. 2C. 1+ D. 2+ Cu 7: Cho 1,8 gam mt axit (A) n chc p ht vi NaHCO3. Dn ht kh thu c vo bnh ddKOH d; thy khi lng cht tan trong bnh tng 0,78 gam. Vy (A) c CTCT: A. C2H5 COOH B. C3H7COOH C. CH3COOH D. CH2=CHCOOH Cu 8: Cho cc hp cht hu c sau: (1)etandiol 1,2; (2)propandiol 1,3; (3) propandiol 1,2; (4) glixerin. Cc cht no l ng phn ca nhau: A. 1,2 B. 1,4 C. 2,3 D. 1,2,3

Cu 11: Mt cht hu c X cha C, H, O ch cha mt loi chc cho 2,9g X phn ng vi dung dch AgNO3/NH3 d thu c 21,6g Ag. Vy X c th l: A. HCHO B. OHC CHO C. CH2(CHO)2 D. C2H5 CHO

A.C2H5OH

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Cu 12: un ru (A) vi HBr,thu c cht hu c (B) c %Br = 58,4. (A) l: B.C3H7OH C.C4H9OH D.CH2=CH-CH2OH

Cu 13: t chy hon ton mt chat hu c A nhiu ln axit thu c 4,032lt kh CO2 (o ktc) va 2,7 gam nc. CTN A l: A. (C2H3O2)n B. (C4H7O2)n C. (C3H5O2)n D. (C2H4O2)n

Cu 14: un ru etylic vi H2SO4 c, 170oC; thu c hh hi A gm 4 cht kh. Vy hhA c:

Cu 15: t chy hon ton 0,09g este n chc B thu c 0,123g CO2 v 0,054g H2O. CTPT ca B l: A.C2H4O2 B. C3H6O2 C. CH2O2 D. C4H8O2

Cu 16: C 5 dung dch ng trong cc l mt nhn: BaCl2, NH4Cl, (NH4)2SO4, NaOH, Na2CO3. Ch dng qu tm ta nhn bit c: Trang 18/27

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A.C2H4, H2Ohi, H2, CO2 C. C2H4, H2Ohi, H2, SO2

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Cu 10: Cho 0,336 lit SO2 (kc) p vi 200ml dd NaOH; thu c 1,67 g mui. Nng ddNaOH em p l: A. 0,01M B.0,1 M C. 0,15 M D. 0,2

a

Cu 9: Cht hu c A: C3H8Ox , ch cha mt loi chc, phn ng c vi Na c s ng phn l: A. 3 B. 4 C. 5 D. 6

B. C2H4, H2Ohi, SO2, CO2 D. CH4, H2Ohi, H2, SO2

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Cu 5: Este X phn ng vi dung dch NaOH, un nng to ra ru metylic v natri axetat. Cng thc cu to ca X l: A. HCOOCH3 B. C2H5COOCH3 C. CH3COOC2H5 D. CH3COOCH3

m

Cu 4: Trn 100ml dung dch Ba(OH)2 0,5M vi 100ml dung dch KOH 0,5M , c dung dch X. Nng mol/l ca ion OH- trong dung dch l: A. 0,25M B. 0,75M C. 0,5M D. 1,5M

A. BaCl2 C. BaCl2, Na2CO3 , N aOH

B. NaOH ,BaCl2, NH4Cl, (NH4)2SO4 Na2CO3 D. NaOH

Cu 17: Bnh c mg bt Fe, np Cl2 d vo bnh. Khi phn ng xong cht rn trong bnh tng 106,5g. Vy m l: A. 28g B. 14g C. 42g D. 56g

A. Fe2O3

B. Fe3O4

C. Al2O3

Cu 19: Cho 24,8 gam hn hp gm mt kim loi kim th v oxit ca no c t l mol 1:1 tc dng vi dung dch HCl d thu c 55,5g mui khan. Kim loi trn s l: A. Ca B. Sr C. Ba D. Mg

Cu 23: Ha tan ht 1,02 gam oxit cn 100ml dd hh: Ba(OH)2 0,025M,KOH 0,15M. Vy oxit c th l: A. Al2O3 B. Cr2O3 C. ZnO D. PbO

Cu 24: Cho 3g hn hp gm 3 kim loi ng trc H2 trong dy hot ng ha hc phn ng ht vi H2SO4 d, thu c 1,008 lt H2 (kc). C cn dung dch thu c mg rn. Vy m c th bng: A. 7,32g B. 5,016g C. 2,98g D. 5,00 g

Cu 25: A l andehyt c % O = 37,21. (A) c th iu ch:

A. (C2H3O2)n

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Cu 26: t chy hon ton mt chat hu c A nhiu ln axit thu c 1,344 lt kh CO2 (o ktc) v 0,9 gam nc. CTN A l: B. (C4H7O2)n C. (C3H5O2)n D. (C2H4O2)n

Cu 27: Thy phn X c sn phm gm glucz v fructz. X l: A. Sccarz B. Mantz C. Tinh bt D. Xenlulz

Cu 28: Ha tan m gam hhA:Cu, Ag trong ddhh: HNO3, H2SO4; thu c ddB cha 7,06 gam mui v hhG: 0,05 mol NO2; 0,01 mol SO2. Khi lng hhA bng: Trang 19/27

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A. C2H4(OH)2

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A. CH3OH

B. C2H5OH

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Cu 22: t ru A. Dn ht sm phm chy vo bnh ng ddCa(OH)2 d; thy c 3 gam kt ta v khi lng bnh tng 2,04 gam. Vy A l: C. C3H7OH D. C4H9OH

a

A. HCHO, CH3CHO C. CH3CHO, C2H5CHO

B. C2H5CHO, C3H7CHO D. C3H7CHO, C3H7CHO

C. C4H8(OH)2

t

Cu 21: Cho 7,4 gam hn hp X cha 2 cht hu c tc dng hon ton vi dung dch AgNO3 d trong NH3 thu c 64,8 gam Ag. Hn hp X l:

h

A. CH3OH, C3H7OH C. C2H5OH, C3H7OH

B. C3H7OH, C4H9OH D. C3H5OH, C4H7OH

s

Cu 20: Cho 1,52g hn hp 2 ru n chc tc dng ht vi Na d thu 2,18g mui. Vy hai ru l:

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Cu 18: Cho 0,125 mol oxit kim loi phn ng ht vi HNO3; thu uc NO v ddB cha mt mui duy nht. C cn dung dch B thu c 30,25 gam rn. Vy oxit c th l: D. FeO

D. CH3OH

A. 2,58

B. 3,06

C. 3,00

D. 2,58

Cu 29: X cha C, H, O c MX = 60 vC. X c s ng phn phn ng c vi NaOH bng: A. 1 B. 2 C. 3 D. 4

Cu 30: un 6,96 gam ru A vi 10,4 gam CuO (d). Sau p thu c mt andehyt n chc B v 8,48 gam rn. CTPT A; B s l:

A. 70,0 lt

B. 84,0 lt

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Cu 35: t chy hon ton mt th tch kh CH4, C2H4, C2H6 bng oxi khng kh (trong khng kh, oxi chim 20% th tch), thu c 7,84 lt kh CO2 ( ktc) v 9,9 gam nc. Th tch khng kh ( ttc) nh nht cn dng t chy hon ton lng kh thin nhin trn l: C. 56,0 lt D. 78,4 lt

A. 34,95 g

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Cu 36: Ha tan hhA: 0,1mol Cu2S, 0,05mol FeS2 trong HNO3; thu c ddB. Cho dd Ba(NO3)2 d vo ddB. Sau p thu c m g kt ta. Gi tr m l: B.46,6g C.46,75g D. 42,52 g

Cu 37: Trn 100g ddAgNO3 17% vi 200 g ddFe(NO3)2 18%, thu c dung dch A c khi lng ring bng 1,446 g/ml. Vy th tch dung dch s bng: Cu 38: Trong cng nghip, natri hiroxit c sn xut bng phng php: A. in phn dung dch NaCl, khng c mng ngn in cc. B. in phn dung dch NaCl, c mng ngn in cc. C. in phn dung dch NaNO3 , khng c mn ngn in cc D. in phn NaCl nng chy. Cu 39: C 3 cht lng Toluen, phenol, stiren, ng ring bit trong 3 l mt nhn. Thuc th phn bit 3 cht lng trn l: A. dung dch phenolphtalein. B. dung dch NaOH. C. nc brom. D. giy qu tm. Trang 20/27

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A.200 ml

B.250ml

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Cu 34: T Cu, O2, HCl , Cl2 (Cc iu kin phn ng coi nh c ) ta c th vit c bao nhiu phn ng tao ra ng c mc oxi ha bng +2: A. 2 B. 3 C. 4 D. 5

a

Cu 33: Ha tan ht m gam hhA: Mg, Cu, Fe trong H2SO4 c ; thu c 2,016 lit SO 2 (kc) v dung dch B cha 10,72 gam mui. Gi tr m l: A. 1,32g B. 2,08 g C. 2,32g D. 2,68g

C. 207,4

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Cu 32: Trong mt cc nc cha a mol Ca2+, b mol Mg 2+, c mol Cl- v d mol HCO3 - Biu thc lin h gia a, b, c, d l: A. a + b = c + d B. 3a + 3b = c + d C. 2a + 2b = c + d D. Kt qu khc

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Cu 31: C 4 dung dch trong sut, mi dung dch ch cha mt loi cation v mt loi anion. Cc loi ion trong c 4 dung dch gm Ba2+, Mg2+, Pb2+, Na+, SO4 2-, Cl-, CO32-, NO3-. Trong 4 dung dch o co 2 dd cha cac ion sau: 2 A. NO ; Na ; Cl ; Mg 2 B. SO4 ; Na ; Cl ; Ba 2 3 C. Na ; NO3 ; Pb2 ; CO32 D. A v C

m

A. CH3OH, H-CHO C. C2H5OH, CH3 CHO

B. CH2=CH-CH2OH, CH2=CH-CHO D. C3H7OH, C3H7-CHO

D.207

Cu 40: Cht kh X, gy vn c nc vi trong, lm mt mu dd KMnO4: A. CO2 B. SO2 C. H2S D. SO3 Cu 41: hhX gm 2 hydrocacbon mch h. Cho 3,36 lit X vo bnh ddBr2 d; thy khi lng Br2 gim 16 gam v c 2,24 lit kh bay ra. Nu t ht X ri dn ht sn phm kh vo bnh dd Ca(OH)2 d, thy c 20 gam kt ta.Hai hydrocacbon l: A. CH4, C2H2 B. CH4, C3H4 C. C2H4, C3H8 C. C2H6, C3H4 Cu 42: Cho hh A: 0,15 mol Mg , 0, 35 mol Fe p vi V lit ddHNO3 1M; thu c ddB, hhG gm 0,05 mol N2O, 0,1 mol NO v cn 2,8 gam kim loi. Gi tr V l: A. 1,1 B. 1,15 C.1,22 D.1,225 Cu 43: Cho dy cc cht: NaHCO3, NH4Cl, (NH4)2CO3, AlCl3, NaHSO3, Zn(OH)2. S cht trong dy c tnh cht lng tnh l: A. 2 B.3 C. 4 D.5 Cu 44: Ha tan 5 g hh klai Cu, Fe bng 690 ml ddHNO3 1M . Sau khi p xy ra hon ton thu c cht rn A cn nng 3,75 g, dd B v 7,3248 lt hh kh NO2 v NO 54,6 oC v 1 atm. c cn dd B thu c m g rn. Gi tr m: A. 27,135 gam B.27,685 gam C. 29,465 gam D. 30,65 g Cu 45: Cho 1 gam FexOy p vi 13,035 ml dd HCl 10%(d=1,05 g/ml) thy p xy ra va . Oxt st trn c %Fe bng: A. 70% B. 77,78 % C. 72,41% D. 46,67 Cu 46: Ha tan ht 8 gam MxOy thy cn 150ml dd H2SO4 long c nng : 1 mol/l. Oxit l: A. Fe3O4 B. Fe2O3 C. FeO D. CuO Cu 47: Cho 5,04 gam hn hp A: Fe, Cu ( c t l khi lng tng ng 3 :7) phn ng vi 350ml ddHNO3 0,2M. Khi kt thc phn ng thy cn 3,78 gam kim loi v thu c V lit (kc) hhG gm NO,NO2. Gi tr V l: A. 0,448 B. 0,56 C.0,672 D.8,96 Cu 48: Ha tan hon ton 11,2 gam kim loi M trong ddHCl thu c x gam mui clorua. Nu ha tan hon ton m gam M trong dd HNO3 long d thi thu c y gam mui nitrat. Bit x, y chnh lch nhau 23 gam. Kim loi M l: A. Mg

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B. Zn

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C. Fe

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Cu 50: Ha tan ht 8,1 (g) Al vo ddHNO3 long d. Sau p thu c ddX cha 66,9gam mui v 1,68 lt Kh X (kc). X c th l: A. NO2 B. NO C. N2O D. N2 ----------@---------

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Cu 49: Mt este A c 3 chc este mch h phn ng vi dung dch NaOH thu c mt mui v 12,4 g hai ru cng dy ng ng.Khi ha hi ht 12,4 gam hn hp hai ru trn thu c th tch hi bng th tch ca 9,6 gam oxi (trong cng iu kin). Hai ru l: A.CH3OH,C3H7OH ; CH3OH,C4H9OH B.CH3OH,C3H7OH C.CH3OH,C3H7OH ; CH3OH,C2H5OH D.CH3OH,C4H9OH

MN HA HC N S 5 (Thi gian: 90 pht)

Cu 1: iu ch Ag t ddAgNO3 ta khng th dng: A. in phn ddAgNO3 B. Cu p vi ddAgNO3 Trang 21/27

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D. Al

C. Nhit phn AgNO3

D. Cho Ba phn ng vi ddAgNO3

Cu 2: Nung hh A gm: 0,1 mol Fe v 0,15 mol Cu, trong khng kh mt thi gian, thu c m gam rn B. Cho B p vi dd HNO3 d, th thu c 0,2 mol NO. Gi tr m: A.15,2 g B. 15,75 g C.16,25 D.14,75 Cu 3: C ba cht hu c: Anilin, Axit Benzic, Glyxin. phn bit 3 dd trn ta dng: A. qu tm B. ddHCl C. ddBr2 D. dd phenolphthalein Cu 4: C mt hn hp X gm C2H2, C3H6, C2H6. t chy hon ton 24,8 gam hn hp trn thu c 28,8 gam H2O. Mt khc 0,5 mol hn hp trn tc dng va vi 500 gam dung dch Br2 20%. Phn trm th tch mi kh trong hn hp ln lt l: A. 50; 20; 30 B. 25; 25; 50 C. 50; 16,67; 33,33 D. 50; 25; 25 Cu 5: Nh t t cho n d dd HCl vo dd Ba(AlO2)2. Hin tng xy ra: A. C kt ta keo trong, sau kt ta tan. B. Ch c kt ta keo trng. C. C kt ta keo trng v c khi bay ln. D. Khng c kt ta, c kh bay ln. Cu 6: Trung ha 1,4 gam cht bo cn 1,5 ml ddKOH 0,1 M . Ch s axit ca cht bo trn l: A. 4 B. 6 C. 8 D.10

Cu 12: Cho dy cc cht: Na(HCO3)2, NH4Cl, (NH4)2CO3, AlCl3, NaHSO3, ZnO. S cht trong dy c tnh cht lng tnh l: A. 2 B.3 C. 4 D.5 Cu 13: Nguyn t X c hai ng v l X1 v X2. trong X1 t hn X2 hai ntron. vi t l s nguyn t ng v l 3 : 7. S khi ca X l 64.4. s khi ca hai ng v X1, X2 ln lt l: A. 62 , 65 B .62 , 64 C. 64 , 66 D. 63 , 65 Trang 22/27

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Cu 11: t 0,05 mol hhA gm C3H6, C3H8, C3H4 (t khi hi ca hhA so vi hydro bng 21). Dn ht sn phm chy vo bnh c BaO. Sau p thy bnh tng m gam. Gi tr m l: A.9,3g B, 6,2g C. 8,4g D.14,6g

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Cu 10: Trn hidrocacbon A vi H2 d , thu c a g hhB. t chy hhB . Dn ht kh vo dd Ca(OH)2 d thu c 30 gam kt ta. Mt khc a g hh B trn lm mt mu dd cha 32g Br2. CTPT A l: A. C3H4 B. C3H6 C.C2H4 D.C4H6

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Cu 9: Cht A(C,H,O) mch h, n chc c %O = 43,24%. A c s ng phn tc dng c vi NaOH l: A. 2 B. 3 C. 4 D. 5

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Cu 8: dd Ba(OH)2 c th tc dng vi tt c cc cht sau: A. FeCl3, Cl2, MgO, ZnCl2, SO2, H2SO4 B. CO2, Zn, Al, Fe(OH)3 , Na2CO3 C. ZnCl2, Cl2, NaHCO3, P2O5 , SO2, KHSO4 D. CO2, Zn, Al, FeO , Na2CO3

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Cu 7: Cho 10,6g hn hp: K2CO3 v Na2CO3 vo 12g dd H2SO4 98%. Khi lng dd c gi tr: A. 22,6g B. 19,96g C. 18,64g D.17,32 g

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Cu 14: tinh ch Ag t hh( Fe, Cu, Ag) sao cho khi lng Ag khng i ta dng: A. Fe B. ddAgNO3 C. dd Fe(NO3)3 D. dd HCl Cu 15: Dn V lt (kc) hh A c C2H4, C3H4 , C2H2 (KLPTTB=30) qua bnh dd Br2 d. Sau p thy khi lng bnh ddBr2 tng 9 gam. Gi tr V l: A. 4,48 B. 6,72 C. 8,96 D. 11,2

Cu 18: Cho 5,5 gam hhA: Fe, Al p ht vi ddHCl, thu c 4,48 lit H2 (kc). Cho 11 gam hhA trn p ht vi HNO3, thu c V lt NO. Gi tr V l: A. 2,24lt B. 4,48lt C. 6,72lt D. 5,6lt Cu 19: Ha tan 5 g hh klai Cu, Fe bng 50ml ddHNO3 63% (d=1,38g/ml) n khi p xy ra hon ton thu c cht rn A cn nng 3,75 g, dd B v 7,3248 lt hh kh NO2 v NO 54,6oC v 1 atm. c cn dd B thu c m g rn. Gi tr m: A. 27,135 gam B. 27,685 gam C. 29,465 gam D. 30,65 gam Cu 20: Cho 0,07 (mol) Cu vo dung dch cha 0,03 (mol) H2SO4 (long) v 0,1 (mol) HNO3, thu c V lt kh NO ( kc). Khi kt thc phn ng gi tr ca V l: A. 0,896 lt B. 0,56 lt C. 1,12 lt D. 0,672 lt Cu 21: Phng php iu ch metanol trong cng nghip:

Cu 25: Mt hh A gm hai ru c khi lng 16,6g un vi dd H2SO4 m c thu c hn hp B gm hai olefin ng ng lin tip ,3 ete v hai ri d c khi lng bng 13g.t chy ht 13g hh B trn thu c 0,8 mol CO2 v 0,9 mol H20. CTPT v % (theo s mol)ca mi ru trong hh l: A. CH3OH 50% v C2H5OH 50% B. C2H5OH 50% v C3H7OH 50% Trang 23/27

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Cu 24: Cho m (g) bt Fe vo 100ml dung dch gm Cu(NO3)2 1M v AgNO3 4M. Sau khi kt thc phn ng thu c dung dch 3 mui ( trong c mt mui ca Fe) v 32,4 g cht rn. Khi lng m (g) bt Fe l: A.11,2 B.16,8 C.22,4 D.5,6

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Cu 23: Phng php iu ch etanol trong phng th nghim: A. Ln men glucz. B. Thy phn dn xut etyl halogenua trong mi trng kim. C. Cho hh etylen v hi nc qua thp cha H3PO4. D. Cho etylen tc dng vi H2SO4,long, 3000C

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Cu 22: Ha tan ht 32,9 gam hhA gm Mg, Al, Zn, Fe trong ddHCl d sau p thu c 17,92 lit H2(kc). Mt khc nu t ht hh A trn trong O2 d, thu c 46,5 gam rn B. % (theo m) ca Fe c trong hhA l: A. 17,02 B. 34,04 C. 74,6 D. 76,2

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A. T CH4: CH4 + O2 CH3OH ; (c Cu, 200oC, 100 atm) B. T CH4 qua 2 giai on sau: CH4 + O2 CO+2H2 (to,xt); CO +2H2 CH3OH;( ZnO,CrO3,4000C,200at) C. A, B u ng D. A, B u sai

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Cu 17: Hm lng Fe c trong qung no l thp nht: A. Pirit st B. Manhetit C. Xierit

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Cu 16: Cho 20g bt Fe vo dung dch HNO3 v khuy n khi phn ng xong thu Vlt kh NO v cn 3,2g kim lai .Vy V lt kh NO (kc) l: A. 2,24lt B. 4,48lt C. 6,72lt D. 5,6lt D. Hematit khan

C. C2H5OH 33,33% v C3H7OH 66.67%

D. C2H5OH 66,67% v C3H7OH 33.33%

Cu 26: Nung hhA: 0,3 mol Fe, 0,2 mol S cho n kh kt thc thu c rn A. Cho p vi ddHCl d, thu c kh B. T khi hi ca B so vi KK l: A. 0,8064 B. 0,756 C. 0,732 D. 0,98 Cu 27: Chia 7,22 g hh A:Fe,M(ho tr khng i) thnh 2 phn bng nhau. P vi ddHCl d; thu c 2,128lit H2 (kc). Phn 2: p ht vi ddHNO3; thu c 1,972 lit NO (kc). M l: A. Mg B. Zn C. Al D. Fe Cu 28: Cho t t 0,2 mol NaHCO3 v 0,3 mol Na2CO3 vo 0,4 mol HCl th thu c th tch kh CO2 (kc) l: A. 2,24 B. 2,128 C. 5,6 D. 8,96 Cu 29: Thc hin phn ng cracking m gam isobutan, thu c hn hp A gm cc hidrocacbon. Dn hn hp A qua bnh nc brom c ha tan 6,4 gam brom. Nc brom mt mu ht, c 4,704 lt hn hp kh B (ktc) gm cc hidrocacbon thot r T khi hi B so vi hidro bng 117/7. Gi tri ca m l: A. 5,8 g B. 6,96 g C. 8,7 g D. 10,44 g

Cu 35: Cho 0,92 gam mt ancol (ru) no, n chc X qua bnh ng CuO (d), nung nng. Sau khi phn ng hon ton, khi lng cht rn trong bnh gim m gam. Hn hp hi thu c c t khi i vi hiro l 15,5. Gi tr ca m l: A. 0,64. B. 0,46. C. 0,32. D. 0,92.

Cu 38: un 82,2 gam hn hp A gm 3 rou n chc no X, Y, Z ( theo th t tng dn khi lng phn t)l ng ng k tip vi H2SO4 c 140OC (hiu sut phn ng t 100%). Thu c 66,6 gam hn hp cc te c s mol bng nhau. Khi lng ca X c trong hhA l: A.19,2 B. 16 C. 9,2 D. 8,4 Trang 24/27

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Cu 37: Khi t chy hon ton mt Cht hu c X, thu c 8,4 lt kh CO2, 1,4 lt kh N2 (cc th tch kh o ktc) v 10,125 gam H2O. CTPTca X l: A. C3H7O2N B. C2H7 O2N C. C3H9 O2N D.C4H9 O2N

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Cu 36: Ha tan 0,82 gam hh Al-Fe bng dd H2SO4 (d), thu c ddA v 0,784 lit H2 (kc). Th tch ddKMnO 4 0,025 M cn p ht ddA: A. 80 B. 40 C. 20 D. 60

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Cu 34: P no chuyn Fructz, glucz thnh nhng sn phm ging nhau: A. Phn ng vi Cu(OH)2 B. Phn ng ddAgNO3 /NH3 C. Phn ng vi H2, Ni,to D. Na

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Cu 33: P chng t glucz c cu to mch vng: A. P vi Cu(OH)2 B. P ddAgNO3 /NH3 C. P vi H2, Ni,to D. P vi CH3OH/HCl

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Cu 32: Phng php iu ch etanol trong cng nghip: A. Hydrat ha etylen c xc tac axit hoc ln men tinh bt. B. Thy phn dn xut etyl halogenua trong mi trng kim. C. Hydro ha etanal D. Ln men glucz

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Cu 31: Trong thin nhin oxi c 3 ng v bn: 16O, 17O,18O, Cacbon c 2 ng v bn 12C, 13C. C bao nhiu phn t CO2: A. 6 B. 8 C. 12 D.18

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Cu 30: Ha tan 31,2 g hn hp Al v Al203 trong NaOH d thu 0,6 nol kh . % Al2O3 trong hn hp: A. 34,62% B. 65,38% C. 89,2% D. 94.6%

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Cu 39: Ha tan m gam Fe bng dd H2SO4 long (d) , thu c dd X. Dung dch X phn ng va vi 40 ml dung dch KMnO4 0,5M. Gi tr ca m l: A. 5,6 B. 8,4 D. 11,2 D. 16,8 Cu 40: t chy hon ton 1,52 gam cht hu c X cn 0,56 lit O2 (kc), thu c hh kh: CO2, N2 , hi nc. Sauk hi ngng t hi nc, hh kh cn li c khi lng l 1,6 g v c t khi i vi hydro l 20. CTPT A l: A. C3H9O2N B. C3H8O4N2 C. C3H8O5N2 D. C3H8O3N2 Cu 41: Thy phn 1 este n chc no E bng dung dch NaOH thu c mui khan c khi lng phn t bng 24/29 khi lng phn t E. T khi hi ca E i vi khng kh bng 4. Cng thc cu to ca E l: A.C2H5COOCH3 B. C2H5COOC3H7 C. C3H7COOC2H5 D. CH3COOC3H7 Cu 42: Ha tan hon ton 11,2 gam kim loi st trong ddHCl thu c x gam mui clorua. Nu ha tan hon ton m gam st trong dd HNO3 long d thi thu c y gam mui nitrat. Bit x, y chnh lch nhau m gam. Gi tr m l: A. 11,5 B. 11,68 C. 23 D. 26,5 Cu 43: Cho 1,22 gam A C7H6O2 phn ng 200 ml dd NaOH 0,1 M; thy phn ng xy ra va . Vy sn phm s c mui: A. HCOONa B. CH3COONa C. C2H5COONa D. C7H6(ONa)2 Cu 44: t este E. Dn ht sn phm chy vo bnh dd Ca(OH)2 d; thy c 20 gam kt ta v khi lng bnh tng 12,4 gam. CTTQ ca E l: A. CxH2xO2 B. CxH2x-2O2 C. CxH2x-2O4 D. CxH2x-4O4 Cu 45: Cho 0,75 gam mt anhit X, mch h phn ng vi lng d AgNO3 (hoc Ag2O) trong dung dch NH3, un nng. Lng Ag sinh ra cho phn ng ht vi axit HNO3 c, that ra 2,24 lt kh. CTCT X l: A. CH3CHO B. HCHO C. CH3CH2CHO D. CH2=CHCHO Cu 46: t hydrocarbon A cn 3a mol O2, thu c 2 a mol CO2 . CTTQ A: A. CxH2x+2 B. CxH2x C. CxH2x-2 D. CxH2x-6 Cu 47: Ha tan m gam Fe3O4 bng dd H2SO4 long (d) , thu c dd X. Dung dch X phn ng va vi 40 ml dung dch K2Cr2O7 0,5M. Gi tr ca m l: A. 27,84 B. 28,42 D. 31,2 D. 36,8 Cu 48: Dn CO d qua ng s cha m gam hn hp gm CuO, Fe3O4. Dn ht kh sau phn ng i qua bnh ng dd Ba(OH)2 d; thu c 17,73 gam kt ta . Cho rn trong ng s lc sau phn ng vi HCl d, thu c 0,672 lit H2(KC). Gi tr m l: A. 5,44 B. 5,8 C. 6,34 D. 7,82

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Cu 49: Ha tan ht 3 (g) hhA: Mg, Al, Fe trong ddHNO3 long d. Sau p thu c ddX cha 16,95 g mui (khng c NH4NO3) v 1,68 lt Kh X (kc). X c th l: A. NO2 B. NO C. N2O D. N2 ----------@---------

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P N S 11. 2. 3. 4. 5. 6. 7. 8. 9. 10. D B D C D C B C C A 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. A B B C B A B B D B 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. A A C B D B C D B C 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. A A D C A A B A B D 41. 42. 43. 44. 45. B A A A B B D D D C

P N S 21. 2. 3. 4. 5. 6. 7. 8. 9. 10. B C A C C C B A C B 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. A C D A D D D A D B 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. C B D B A B B C C C 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.

.c oD A A B C A A A D B B B C D B B B C C C D C B D B

m46. 47. 48. 49. 50. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. B A C D C D D A A D 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. B D A D D A B C D C 41. 42. 43. 44. 45. C C D D C

P N S 31. 2. 3. 4. 5. 6. 7. 8. 9. 10. C B D A D D A C D D 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. C B C C C C A B B D 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. B B C A B B B C C D 31. 32. 33. 34. 35. 36. 37. 38. 39. 40.

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1. 2. 3. 4. 5.

B A A D C

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P N S 4B C B B A 21. 22. 23. 24. 25. A D A A A 31. 32. 33. 34. 35.

11. 12. 13. 14. 15.

Trang 26/27

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6. 7. 8. 9. 10.

B D A D C

16. 17. 18. 19. 20.

A A C B B

26. 27. 28. 29. 30.

D B C A B

36. 37. 38. 39. 40.

C B B A D

46. 47. 48. 49. 50.

D A D A D

P N S 51. 2. 3. 4. 5. 6. 7. 8. 9. 10. A A C B D B C C C B 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. B C C B A B D D A C 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. A C A A C C A C B B 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. C C B C A B A B C B

m41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 41. 42. 43. 44. 45. 46. 47. 48. 49.

.c oC A D C C B C A A C

A B C A A B B C C C

P N S 61. 2. 3. 4. 5. 6. 7. 8. 9. 10. D A A D A B C C B A 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. B C D C B B A C A A

mC A B A C A C C C C

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21. 22. 23. 24. 25.

31. 32. 33. 34. 35. 36. 37. 38. 39. 40.

B C A A B B A A B

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