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S GIO DC - O TO THI BNHTRNG THPT BC NG QUAN

THI TH TUYN SINH I HC - 2012 - LN 3MN: HA HC - KHI A, B

50/60 cu trc nghimThi gian: 90 pht

H tn:...SBD:..M 132

Cho bit khi lng mol ca cc nguyn t: H=1; C=12; N=14; O=16; F=19; Na=23; Mg=24; Al=27; P=31; S=32;Cl=35,5; K=39; Ca=40; Cr=52; Mn=55; Fe=56; Ni=59; Cu=64; Zn=65; Br=80; Ag=108; I=127; Ba=137; Au=197; Pb=207

I. PHN CHUNG CHO TT C TH SINH (40 cu)

Cu 1: Trung ho 5,48 gam hn hp gm axit axetic, phenol v axit benzoic, cn dng 600 ml dung dch NaOH 0,1M.C cn dung dch sau phn ng, thu c hn hp cht rn khan c khi lng l:

A. 4,90 gam B. 8,64 gam C. 6,84 gam D. 6,80 gamCu 2: Cht X c cng thc phn t l C4H8. X d dng lm mt mu dung dch KMnO 4 nhit thng thu ccht hu c Y. Oxi ho nh Y bng CuO d, nung nng thu c Cu c s mol ng bng s mol Y phn ng. VyX l:

A.but-1-en B.but-2-en

C. metylxiclopropan D. isobutilenCu 3: Mt loi cao su lu ho c khong 2,5498% lu hunh. Khong bao nhiu mt xch isopren c mt cuisunfua -S-S-. Gi thit rng S thay th cho H cu metylen -CH2- trong mch cao su?

A. 33 B. 39 C. 42 D. 36Cu 4: Cho cc cht sau: NaHCO3; C6H5ONa; Br2/CCl4; AgNO3/NH3; Cu(OH)2 v CH3OH (xt H2SO4 c) tc dngvi axit acrylic. S phn ng xy ra l:

A. 5 B. 4 C. 3 D. 6Cu 5: Khi nhit phn, dy mui nitrat no u cho sn phm l oxit kim loi, kh nit ioxit v kh oxi?

A. Cu(NO3)2, Ba(NO3)2 v KNO3 B. Fe(NO3)2, AgNO3 v NH4NO3C. Cu(NO3)2, Fe(NO3)2 v Al(NO3)3 D. Zn(NO3)2, AgNO3 v Pb(NO3)2

Cu 6: Ho tan va ht MO trong dung dch H2SO4 9,8% th thu c dung dch cha mui MSO4 (duy nht) c nng 14,18%. Vy cng thc ca MO l:

A. ZnO B. FeO C. CuO D. MgOCu 7: Cho axit cacboxylic X n chc vo 150 gam dung dch axit axetic nng 6%. trung ha hn hp thuc cn 300 ml dung dch NaOH 1M. C cn dung dch sau phn ng thu c 26,4 gam hn hp mui khan. Vycng thc ca axit X l:

A. C2H5COOH B. C2H3COOHC. HCOOH D. C3H5COOH

Cu 8: Cho cc tnh cht sau: (1) Cht rn c nhit nng chy cao; (2) Dn in khi trong dung dch hoc hoc trng thi nng chy; (3) D ha tan trong nc; (4) D ha lng v d bay hi; Hy cho bit nhng tnh cht noc trng cho hp cht ion?

A. (1) (3) (4) B. (2) (3) (4) C. (1) (2) (4) D. (1) (2) (3)Cu 9: Khi lng H2O dng pha long 1 mol oleum c cng thc H2SO4.2SO3 thnh axit H2SO4 98% l:

A. 36 gam B. 38 gam C. 40 gam D. 42 gamCu 10: Cho cc phn ng sau:(1) Ca(OH)2 + Cl2 CaOCl2 + H2O (2) C2H5Cl + NaOH C2H5OH + NaCl(3) 2KMnO4

ot K2MnO4 + MnO2 + O2 (4) C2H2 + H2O CHgSO

04 80, CH3CHO

Cc phn ng thuc loi phn ng t oxi ho- kh l:A. (3), (4) B. (1), (3) C. (1), (2) D. (1), (4)

Cu 11: Cho cc cht: NaOH, NaHCO3, Na2CO3, NaNO3, MgCO3 v Al(OH)3. S cht b phn hu khi nung l:A. 6 B. 4 C. 5 D. 3

Cu 12: Ha tan hon ton 12,8 gam hn hp gm Fe v mt kim loi M c ha tr khng i bng dung dch HCl dthu c 0,4 mol kh H2. Cn khi ha tan 12,8 gam hn hp trn bng dung dch HNO 3 long, d th thu c 0,3 molkh NO (sn phm kh duy nht). Kim loi M l:

A. Zn B. Cu C. Mg D. Al

Cu 13: Cho 0,1 mol -aminoaxit X (X c mch cacbon khng phn nhnh) tc dng va vi dung dch cha 0,2mol NaOH. Mt khc, 2,66 gam X tc dng vi HCl (va ) cho 3,39 gam mui. Vy cng thc ca X l:

A. HOOC(CH2)2CH(NH2)COOH B. HOOCCH(NH2)COOHC. HOOCCH2CH(NH2)COOH D. HOOC(CH2)3CH(NH2)COOH

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Cu 31: Nhng bn phn ng no sau y xy ra catot trong qu trnh in phn: (1) Cu 2+(dd)+2e Cu(r); (2)Cu(r) Cu2+(dd)+2e; (3) 2H2O+2eH2+2OH-(dd); (4) 2H2O O2+4H++4e; (5) 2Br?(dd)Br2(dd)+2e;(6) 2H+(dd) + 2e H2

A. (2) (4) (6) B. (1) (3) (6) C. (2) (4) (5) D. (2) (3) (5)Cu 32: t chy hon ton 4,2 gam cht hu c X cn V lt O 2 thu c CO2 v H2O theo t l mol 1: 1. Hp thht sn phm chy bng vi trong d thu c 30 gam kt ta. Tnh V?

A. 11,2 lt B. 7,84 lt C. 10,08 lt D. 8,96 ltCu 33: Cho m gam hn hp X gm Fe, Cu vo dung dch H 2SO4 long, d thu c V lt kh H2. Thm tip NaNO3

vo th thy cht rn tan ht, ng thi thot ra 1,5V lt kh NO duy nht bay ra. Th tch kh o cng iu kin. Tnh% khi lng Cu trong hn hp X?A. 66,7% B. 53,3% C. 64,0% D. 72,0%

Cu 34: Cht hu c X c cha vng benzen v c cng thc phn t l C 7H8O. X khngtc dng vi NaOH. Hycho bit X c bao nhiu cng thc cu to?

A. 3 B. 5 C. 2 D. 4Cu 35: X phng ho hn hp X gm hai triglixerit (t l mol 1 : 1) thu c glixerol v hn hp hai mui ca haiaxit bo c t l mol l 1 : 2. Hy cho bit c bao nhiu cp triglixerit tho mn?

A. 6 B. 4 C. 3 D. 5Cu 36: hirat ho ancol X thu c hai anken l ng phn cu to ca nhau. t chy hon ton X thu c CO 2v H2O trong CO2 chim 66,17% v khi lng. Vy X l:

A.pentan-2-ol B.butan-2-ol

C.butan-1-ol D. 2-metylbutan-2-olCu 37: Cho V lt CO2 (ktc) vo 1 lt dung dch Ca(OH)2 0,15M thu c a gam kt ta. Mt khc, cho 2V lt CO 2(ktc) vo 1 lt dung dch Ca(OH)2 0,15M thu c a gam kt ta. Vy gi tr V l:

A. 2,24 lt B. 2,80 lt C. 4,48 lt D. 3,36 ltCu 38: Cho s phn ng sau: NaX (rn) + H2SO4 c, nng NaHSO4 + HX. Vy HX c th ng vi dycht no sau y?

A. HBr, HCl v HI B. HCl, HBr v HF C. HNO3 v HCl D. HNO2 v HClCu 39: Nhng mt l st nh vo dung dch cha mt trong cc cht sau: FeCl3, AlCl3, CuSO4, Pb(NO3)2, HCl, HNO3long d, H2SO4 c, nng, d. S trng hp phn ng to mui Fe(II) l:

A. 4 B. 3 C. 5 D. 6Cu 40: Cho m gam hn hp X gm Mg, Al, Zn tan hon ton trong dung dch H2SO4 long, d thu c 5,6 lt H2(ktc). Tnh khi lng kt ta thu c khi cho m gam hn hp X vo 400 ml dung dch Y cha AgNO 3 0,8M v

Cu(NO3)2 0,5M. Cc phn ng xy ra hon ton.A. 27,00 gam B. 46,08 gam C. 37,76 gam D. 40,32 gam

II. PHN RING (10 cu)Th sinh ch c lm mt trong hai phn

A. Phn theo chng trnh chun

Cu 41: un nng hn hp gm hai ancol n chc, mch h, k tip nhau trong dy ng ng vi H 2SO4 c 1400C. Sau khi cc phn ng kt thc, thu c 6 gam hn hp gm ba ete v 1,8 gam nc. Cng thc ca hai ancoltrn l:

A. C3H7OH v C4H9OH B. C3H5OH v C4H7OH

C. CH3OH v C2H5OH D. C2H5OH v C3H7OHCu 42: Cho Fe2+ vo dung dch c cha ion NO3- trong mi trng axit to thnh ion Fe3+, cn ion Fe3+ tc dng vi I-

to thnh Fe2+ v I2. Tnh oxi ha trong mi trng axit ca cc cht v ion c sp xp theo chiu gim dn l:A.NO-3 > Fe3+ > I2 B.NO-3 > I2 > Fe3+ C. Fe3+ > NO-3 > I2 D. Fe3+ > I2 > NO-3

Cu 43: Cho dy cc cht: CH4, C2H2, C2H4, C2H5OH, CH2=CHCOOH, C6H5OH (phenol), C6H6 (benzen). S chttrong dy lm mt mu nc brom l:

A. 6 B. 4 C. 7 D. 5Cu 44: Cho 3,6 gam axit cacboxylic no, n chc X tc dng hon ton vi 500 ml dung dch gm KOH 0,12M v

NaOH 0,12M. C cn dung dch thu c 8,28 gam hn hp cht rn khan. Cng thc phn t ca X l:A. HCOOH B. C3H7COOH C. C2H5COOH D. CH3COOH

Cu 45: Cho cc kim loi sau: Fe, Cr, Cu, Zn, Ni, Sn. S kim loi khi tc dng vi Cl 2 v dung dch HCl thu ccng mt mui l:

A. 2 B. 5 C. 4 D. 3Cu 46: Cacbohirat X tham gia chuyn ha: X

OHOHCu /)( 2 dung dch xanh lam

0t

kt ta gch. Cacbohirat Xkhngth l cht no trong cc cht cho di y?

A. Mantoz B. Saccaroz C. Glucoz D. Fructoz

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Cu 47: Kh hon ton 19,6 gam hn hp gm mt oxit ng v mt oxit st thu c 14,8 gam hn hp kim loi.Cho hn hp kim loi vo dung dch HCl d th thu c 3,36 lt kh H2 (ktc). Vy cng thc ca cc oxit l:

A. CuO v Fe3O4 B. CuO v Fe2O3 C. CuO v FeO D. Cu2O v Fe3O4Cu 48: Cho cn bng sau: H2 (k) + I2 (k) 2HI (k) H > 0. Ti 5000C, sau khi t cn bng, hn hp thu c ct khi so vi H2 l d1. Nng nhit ln 6000C, sau khi t cn bng mi hn hp thu c c t khi so vi H 2 l d2.So snh d1 v d2.

A. d1 = 2d2 B. d1 > d2 C. d1 < d2 D. d1 = d2Cu 9: -aminoaxit X cha mt nhm -NH2. Cho 7,725 gam X tc dng vi axit HCl d, thu c 10,4625 gam mui

khan. Cng thc cu to thu gn ca X l:A. CH3CH2CH(NH2)COOH B. H2NCH2COOHC. HOOCCH2CH2CH(NH2)COOH D. CH3CH(NH2)COOH

Cu 50: C cc kim loi sau: Au, Ag, Cu, Fe. Ho cht no sau y c th s dng phn bit cc kim loi :A. dung dch HCl c, nng B. dung dch H2SO4 c, nguiC. dung dch HNO3 long, nng D. dung dch NH3 c, ngui

B. Phn theo chng trnh nng cao

Cu 51: Cho 0,3 mol axit CH3COOH phn ng vi 0,2 mol ancol n chc X thu c 15 gam este vi hiu sut phnng 75%. Vy cng thc ca este l:

A. CH3COOCH3 B. CH3COOC2H5C. CH3COOCH2CH=CH2 D. CH3COOCH=CH2

Cu 52: Cho 100 ml dung dch NaOH 1,5M vo 100 ml dung dch ZnSO 4 th thu c 2,475 gam kt ta. Vy nng mol ca dung dch ZnSO4 l:

A. 0,75M B. 0,50M C. 0,25M D. 0,40MCu 53: Cho cc cht sau: butan, etanol, metanol, natri axetat, axetilen, axetanehit. S cht c th s dng iuch trc tip axit axetic l:

A. 4 B. 6 C. 3 D. 5Cu 54: Hy cho bit dy cc dung dch no sau y u i mu qu tm sang xanh?

A.NaBr, Na2CO3 v Na2S B.Na2S, NaClO4 v CH3NH2C.Na2CO3, NaNO3 v Na2HPO4 D.Na2CO3, Na3PO4 v NaNO2

Cu 55: Cho s chuyn ha: CH4 C2H2 C2H3Cl PVC. tng hp 250 kg PVC theo s trn th cn Vm3 kh thin nhin ( ktc). Gi tr ca V l (bit CH 4 chim 80% th tch kh thin nhin v hiu sut ca c qu trnhl 50%):

A. 224,0 B. 286,7 C. 358,4 D. 448,0Cu 56: Theo phn ng: Cr(OH)-4 + H2O2 + OH- CrO2-4 + H2O. Lng H2O2 v KOH tng ng c s dng oxi ha hon ton 0,1 mol Cr(OH)-4 thnh CrO2-4 ln lt l:

A. 0,15 mol v 0,1 mol B. 0,30 mol v 0,1 molC. 0,15 mol v 0,2 mol D. 0,30 mol v 0,4 mol

Cu 57: Hy cho bit trong pin Ni-Cu, ti anot xy ra qu trnh:A.Ni2+ + 2e Ni B.Ni Ni2+ + 2e C. Cu Cu2+ + 2e D. Cu2+ + 2e Cu

Cu 58: Cho cc dn xut sau: (1) etyl clorua; (2) vinyl clorua; (3) etyl bromua; (4) anlyl bromua. S sp xp nong vi chiu tng dn kh nng phn ng thu phn ca cc dn xut .

A. (2) < (1) < (3) < (4) B. (2) < (4) < (1) < (3)

C. (4) < (2) < (3) < (1) D. (1) < (2) < (3) < (4)Cu 59: Pht biu no di y v amino axit l khngng?A. Hp cht H2N-COOH l amino axit n gin nhtB. Amino axit l hp cht hu c tp chc, phn t cha ng thi nhm amino v nhm cacboxylC. Amino axit ngoi dng phn t (H2NRCOOH) cn c dng ion lng cc (H3N+RCOO-)D. Aminoaxit l cht rn dng tinh th khng mu, c v hi ngt v nhit nng chy cao.

Cu 60: Tnh cht no di y m saccaroz v mantozkhngng thi c c:A. Tnh cht ca ancol a chc B. Tnh tan tt trong ncC. Tnh cht ca anehit D. Kh nng b thy phn

----------- HT ----------

Th sinh khng c s dng bt c ti liu noCn b coi thi khng gii thch g thm

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