GRIGNARD REAGENT
ORGANIC CHEMISTRY
TARGET IIT-ENTRANCE 2013XII
A-10, "GAURAV TOWER", Road No.-1, I.P.I.A., Kota-324005 (Raj.) INDIA
Tel.: 0744-2423738, 2423739, 2421097, 2424097 Fax: 0744-2436779
E-mail: [email protected] Website : www.bansal.ac.in
In time of trouble, don't say "God I have a big problem." say "Hey Problem. I have a big God.
HO
H o
r R
OH
or
Ph�
OH
NH
or R
NH
or
RN
H
3
22
HCHO,HO2
HCO
OEt,H
O
(½ eq.) 2
HCOOEt
RC
OO
Et
RCOR,H O2
CO ,H2
CS,H2
SO
,H2
RCHO,H O2
O,H
O2
2I 2
Br 2
Cl 2
ZnCl 2
limited
PbCl2limited
SiCl4limited
HgBr2limited
CdC
l2
limited
ClCH �CH=CH2
2
ClCH OR2
PhCHCl2C
l�CN
S,H
O,
2
RCN
,HO
3
RC
OO
Et,H
O
(½ e
q.)
2CH-CH
,HO
22
2
Me�CH-CH ,
H O2
2
O
O
R�X
?
R�Mg�XR�Mg�X
Hydrocarbon part of Grignard reagent (R�Mg+X�) has some carbanionic characters. So, it couldact as a base as well as nucleophile both. As a nucleophile, it could show Nucleophilic substitution,Nucleophilic addition and Nucleophilic Addition-Elimination reactions.
Grignard Reagent [2]
EXERCISE - I
Q.1 Consider the given organometallic compound.(I) (CH3)2Hg (II) (CH3)2Zn (III) (CH3)2Mg (IV) CH3LiThe correct decreasing order of ionic character is(A) I > II > III > IV (B) II > I > III > IV (C) I > III > II > IV (D) IV > III > II > I
Q.2 The order of reactivity of alkyl halide in the reaction R�X + Mg RMgX is(A) RI > RBr > RCl (B) RCl > RBr > RI(C) RBr > RCl > RI (D) RBr > RI> RCl
Q.3
MgBr OH
+ AA
(A) (B) (C) (D)
O � Ph
Q.4 14CH2=CH�CH3 Peroxide/CCl
NBS
4
ether/Mg
OD2 Product(s)
Product(s) is / are:(A) 14CH2= CH�CH2�D (B) CH2 = CH� 14CH2�D
(C) Both of these (D) None of these
Q.5 On conversion into Grignard followed by treatment with ethanol, how many alkyl halides (excludingstereoisomers) would yield 2-methyl butane.(A) 2 (B) 3 (C) 4 (D) 5
Q.6
COHO
O
SHH
H
C
C
(1)
(4)
(3)
(2)
)moles2(RMgX
Deprotonation will occur from the following positions:(A) 1,2 (B) 1,3 (C) any two positions (D) 1,4
Q.7 How many litres of methane would be produced when 0.595 g of CH3MgBr is treated with excess ofC4H9NH2(A) 0.8 litre (B) 0.08 litre (C) 0.112 litre (D) 1.12 litre
Q.8 How many litres of ethene would be produced when 2.62 g of vinyl magnesium bromide is treated with224 ml of ethyne at STP.(A) 0.224 litre (B) 0.08 litre (C) 0.448 litre (D) 1.12 litre
Grignard Reagent [3]
Q.9 ether
Mgequivalent1 X
OD2 Y; Y is is
(A) (B) (C) (D) None of these
Q.10 Br�CH2�CC�CH2�Br
OEt)excess(
Mg
2
BrMg�CH2�CC�CH2�MgBr
ProductThe major product is:(A) Br�Mg�CH2�CC�CH2�Br (B) Cyclobutyne
(C) �)CHCCCH(� n22 (D) CH2 = C=C=CH2
Q.11 O CH MgX3
NH Cl4
Product is
(A) Enantiomer (B) Diastereisomer (C) Meso (D) Achiral
Q.12 CH3�CH�CH2
O
OH
MgClCH
2
3
(A)
3
23
CH|
OHCHCHCH (B)
OH|
CHCHCHCH 323
(C)
3
33
CH|
CHCHCH (D) HO � CH2 � CH2 � CH2 � CH2 � OH
Q.13 (i) O
+ Ph Mg Br 1r Ph CH2 CH2 OH
(ii) O
+ Ph Mg Br 2r Ph CH2 CH2 CH2 OH
(A) r2 > r1 (B) r1 > r2 (C) r1 = r2 (D) r1 = 2r2
Q.14 What will be the order of reactivity of the following carbonyl compounds with Grignard's reagent?
(I) C = OH
H(II) C = O
H
CH3
(III) C = OCH3
CH3(IV) C = O
Me C3
Me C3
(A) I > II > III > IV (B) IV > III > II > I(C) II > I > IV > III (D) III > II > I > IV
Grignard Reagent [4]
Q.15 Carbonyl compound (X) + Grignard reagent (Y) Me Ph
OH
EtX , Y will be
(A) PhCEt||
O
, Me Mg Br (B) PhCMe||
O
, Et Mg Br
(C) EtCMe||
O
, Ph Mg Br (D) PhCEt||
O
, Et Mg Br
Q.16 Order of rate of reaction of following compound with phenyl magnesium bromide is:
IClCMe
||O
II
HCMe||O
III
EtOCMe||O
(A) I > II > III (B) II > III > I (C) III > I > II (D) II > I > III
Q.17 Select the correct order of decreasing reactivity of the following compounds towards the attack ofGrignard reagent(I) Methyl benzoate (II) Benzaldehyde (III) Benzoylchloride (IV) Acetophenone(A) II > III > I > IV (B) III > IV > II > I(C) III > II > IV > I (D) II > IV > I > III
Q.18 Which of the following reacts faster with RMgX.
(A) BrCR||
O
(B) HCR||
O
(C) OEtCR||
O
(D) 2NHCR||
O
Q.19 Select the correct order of reactivity towards Grignard reagent for nucleophilic attack.
(A) RCR||
O
> HCR||
O
(B)
O||
HCCHCl 2 >
O||
HCCHCH 23
(C) OCCH||
O
3 NO2 < OCCH||
O
3
(D) ORCR||
O
> 2NRCR||
O
Grignard Reagent [5]
Q.20 The reaction of 1 mole each of p-hydroxy acetophenone and methyl magnesium iodide will give
(A) CH4 + IMgO C�CH3
O
(B) CH �O3 C�CH3
O
(C) CH �C3 OH
OMgI
CH3
(D) CH O3 C�CH3
OMgI
Q.21
O||
ClCHCHCCHCH 2223
MgBrCH3 A, A is
(A)
OH|
ClCHCHCCHCH|
CH
2223
3
(B)
O||
CHCHCHCCHCH 32223
(C) (D)
Q.22
HO OEt
2 CH MgX3
NH Cl4
P1 + P2
Identify P1 & P2.
(A) CH4 (B)
O
(C)
HO Me
(D) O
Q.23 (R) - 2-Bromooctane
H)iii(
CO)ii(
Mg)i(
2
X
X is
(A) (B)
(C) A and B both (D) None of these
Q.24 In which one of the following reaction products are not correctly matched in
(A) RMgX + CO2
(i) CO2
(ii) H Carboxylic acid
(B) RMgX + C2H5OH Alkane(C) RMgX + CH3CH2Cl Alkene
(D) RMgX + Cl O Ether
Grignard Reagent [6]
Q.25Br
Mg (A)
OH/H)ii(
CO)i(
2
214
(B) 3NaHCO (C) gas
Product C is(A) CO (B) 14CO2(C) CO2 (D) A mixture of 14CO2 and CO2
Q.26 MgBr + H � COEtOEtOEt
Ethyl ortho formate
OH
followed
3
product.
(A) 3CHC||
O
(B) CH2CH=O
(C) CH = O (D)
OCH|
CHCH 3
Q.27 Which reaction gives 1° aromatic amine as major product.
(A) ether/Mg
3NH(B)
ether/Mg 3NH
(C) ether/Mg
3NH(D) Ph
43
2
NaBH/NH
)OAc(Hg
Q.28 CH3�CH=CH2 2Br
etherDry
Mg
ClNH
CHCCH||O
4
33
H
End product of above reaction is
(A) 322
2
CHCCHCHCH||CH
(B)
3
32
CH|
CHCCHCHCH
(C)
3
322
CH|
CHCCHCHCH|OH
(D)
3
222
CH|
OHCHCHCHCHCH
Q.29Br
OOH|||
OH.3CHCHCHCH.2
ether/Mg.1
323
Product (s)
Select the product from the following
I : II :
OOH|||
CHCHCHCH 23 III :
(A) III (B) I, III (C) I, II (D) II, III
Grignard Reagent [7]
Q.30 RMgX OH)ii(
CNCH)i(
3
3 (A) ClNH.aq)ii( 4
RMgX)i( (B) will be
(A) 1° ROH (B) 2° ROH (C) 3° ROH (D) Alkene
Q.31 5252 HOCCOHC||
O
MgBrCH2 3 A. Product A formed
(A) is ethyl acetate(B) further react with CH3MgBr/H2O
+ to give acetone(C) further react with CH3MgBr/H2O
+ to give t-butyl alcohol(D) Can give pinacol when treated with Mg followed by H2O
Q.32 Which of the following is incorrect.
(A) Cl OC H2 5
C
O
)eq1(
MgXCH3 523 HOCCCH||
O
(B) OC H2 5
OC H2 5
OC H2 5
CH3�C )eq1(
MgXHC 52 523 HOCCCH||
O
(C) CH3MgX + C||
S
= S OH3 SHCCH
||S
3
(D) CH3MgX + C||
O
= O OH3 OHCCH
||O
3
Q.33 MgBr + H�C�Cl
O
product.
(A) 3CHC||
O
(B) CH2CH=O
(C) CH = O (D)
OCH|
CHCH 3
Q.34 32223 CHCOCHCHCCHCH||||
OO
OH)ii(
)molone(MgBrCH)i(
3
3 A, A formed in this reaction is
(A)
3
32223
CH|
CHCOCHCHCCHCH|||
OOH
(B) 3223 CCHCHCCHCH||||
OO
(C) (D)
OHOH||CCHCHCCHCH||
CHCH
3223
33
Grignard Reagent [8]
Q.35 .)eq1(MgBrCH3 ?
The product is:
(A) (B) (C) (D)
Q.36 CH2 = C = O
)equi2(MgBrCH)ii(
Br)i(
3
2 C4H8O
(A) (B) (C) (D) All of these
Q.37 RMgX ClNH.aq)ii(
CNCH)i(
4
3 (A) ClNH.aq)ii( 4
RMgX)i( (B) will be
(A) 1° ROH (B) 2° ROH (C) 3° ROH (D) Alkene
Q.38 (i) O
+ Ph Mg Br 1r Ph CH2 CH2 OH
(ii) O
+ Ph Mg Br 2r Ph CH2 CH2 CH2 OH
(A) r2 > r1 (B) r1 > r2 (C) r1 = r2 (D) r1 = 2r2
Q.39 Compounds are shown with the no. of RMgX required for complete reaction, select the incorrect option(A) CH3COOC2H5 1(B) CH3COCl 2(C) HOCH2COOC2H5 3
(D) 4
Q.40 The number of moles of grignard reagent consumed per mole of the compound
is:
(A) 4 (B) 2 (C) 3 (D) 1
Grignard Reagent [9]
Q.41 Which of the following reacts with 4 moles of RMgX.
(A)
COCl
CHO
(B)
CH �Cl2
COOEtOH
ROC
(C) O
O
H
EtO
(D) O
O
OCH3
CO CH
Et
RN
Q.42 How many moles of Grignard reagent will be required by one mole of given compound?
C � OEt
C � Cl
O
OCH �CH2 2
Cl
SHHO
(A) 7 (B) 6 (C) 8 (D) 5
For Q. No.43 to Q. No. 45Consider the given reaction and answer the following questions
COOCH3
OCH3
SH||O
OO
)excess(
MeMgBr Products
Q.43 No. of RMgX consumed in the reaction is(A) 4 (B) 5 (C) 6 (D) 7
Q.44 How many product will be fromed in given reaction (excluding stereo)(A) 2 (B) 3 (C) 4 (D) 5
Q.45 Which of the following reaction will give the same Hydrocarbon formed as one of the product in theabove reaction.(A) EtMgBr + Me � OH (B) PhMgBr + Me � OH
(C) MeMgBr + Ph � OH (D) MeMgBr + CH3 � CHO
Grignard Reagent [10]
Q.46 CH2=CH C||
O
H
OH)ii(
CuCl/MgBrCH)i(
3
3 Product (1, 4 addition). It is
(A)
3
2
CH|
HCCHCH|OH
(B)
OH|
CHCHCHCH 32
(C) CH3CH2CH2CHO (D) none
Q.47 In the reaction sequence:
H/OH)ii(
CuCl/MgBrCH)i(
2
3 (X) Major + (Y)
(X) & (Y) respectively are
(A)
OH
CH3
,
CH3 OH
(B) ,
(C) , (D) ,
Q.48 CH3CH = 3CHCCH||
O
(i) CuI,CH MgBr3
(i) CH MgBr3
(ii) H O3
+
(ii) H O3
+
P
Q
(A) P is CH3CH =
Me|
MeCCH|
OH
Q is CH3CH =
Me|
MeCCH|
OH
(B) P is
3
323
CH|
CHCCHCHCH||
O
Q is CH3CH =
Me|
MeCCH|
OH
(C) P is
OH|
)CH(CCHCHCH 233 Q is
O||
CHCCHCH)CH( 3223
(D) P is
O||
CHCCHCH)CH( 3223 Q is
OH|
)CH(CCHCHCH 233
Grignard Reagent [11]
EXERCISE - II
Q.1 Which of the following reacts with Grignard reagent to give alkane?(A) nitro ethane (B) acetyl acetone(C) acetaldehyde (D) acetone
Q.2 Nucleophilic addition of Grignard reagent cannot occur in
(A) 33 CHCCCH
||||OO
(B) 323 CHCCHCCH
||||OO
(C) 3223 CHCCHCHCCH
||||OO
(D) O
O
Q.3
OH|CHCHCHCH 2223
42SOH.conc X + Y Y
peroxide/CCl
NBS
4
CuLi)CHCH(
|CH
23
3
Product(s)
Product(s) are:
(A) (B)
3
23
3
CH|
CHCHCHCHCH|CH
(C)
3
323
CH|
CHCHCHCHCHCH (D)
3
323
CH|
CHCHCHCHCHCH
Q.4 Select the correct statement:(A) 1,4-dibromobutane react with excess of magnesium in ether to generate di-Grignard reagent.(B) 1,2-dichlorocyclohexane treated with excess of Mg in ether produces cyclohexene.(C) Vicinal dihalides undergo dehalogenation to give alkene when heated with Zn dust or Mg.(D) 1,3-dichloropropane by treatment with Zn dust or Mg forms cyclopropane.
Q.5
O
OH/H)ii(
MgBrCH)i(
2
3
(A)
OH
CH3
(A) The product is optically active(B) The product contains plane of symmetry(C) The product shows geometrical isomerism.(D) The product shows optical isomerism.
Grignard Reagent [12]
Q.6 2CH3MgBr
H)ii(
ONHCH)i( 23
(A) CH3�O�NH�CH3 (B) CH3�NH�CH3(C) CH3�NH2 (D) CH3�OH
Q.7 Select the correct order of reactivity towards Grignard reagent for nucleophilic attack.
(A) RCR||
O
> HCR||
O
(B)
O||
HCCHCl 2 >
O||
HCCHCH 23
(C) OCCH||
O
3 NO2 < OCCH||
O
3
(D) ORCR||
O
> 2NRCR||
O
Q.8
O
Me
ClNH)ii(
PhMgBr)i(
4
Product.
Products in this reaction will be(A) Stereoisomers (B) Enantiomer (C) Diastereomers (D) Geometrical isomers
Q.9 Carbonyl compound (X) + Grignard reagent (Y) Me Ph
OH
EtX , Y will be
(A) PhCEt||
O
, Me Mg Br (B) PhCMe||
O
, Et Mg Br
(C) EtCMe||
O
, Ph Mg Br (D) PhCEt||
O
, Et Mg Br
Q.10 5252 HOCCOHC||
O
MgBrCH2 3 A. Product A formed
(A) is ethyl acetate(B) further react with CH3MgBr/H2O
+ to give acetone(C) further react with CH3MgBr/H2O
+ to give t-butyl alcohol(D) Can give pinacol when treated with Mg followed by H2O
Grignard Reagent [13]
Q.11 In which of the following reactions 3°alcohol will be obtained as a product.
(A) MgBr (excess) + ClCH||
O
H
(B) PhMgBr (excess) + ClCCH||
O
3 H
(C) CH3MgBr (excess) + 33 CHCOCCH||||
OO
H
(D) CH3MgBr (excess) + EtOCCl||
O
H
Q.12 PhCH3 hCl2 (A)
etherMg (B)
ClNH
CHOCH
4
3 (C)
(A)
CH � CH � CH2 3
|OH
(B)
CH3
CH � CH3
|OH
(C)
CH3
CHCH3HO
(D)
CH3
C � CH3
CH3
OH
Grignard Reagent [14]
EXERCISE-III
Q.1 X HOH)ii(
MgBrCH)i( 3 Z
What can be used as X if Z is(i) CH3
� CH3 (ii) CH3�CH2�OH
(iii)
OH|
CHCHCH 33 (iv) CH3�CH2�CH2�OH
(v) CH2= CH�CH2�CH3 (vi)
OH
Q.2 4.6 g of a polyhydric alcohol was treated with an excess of methy magnesium bromide to produce 3.36litre of CH4 at STP. Calculate number of �OH group present in the alcohol.
(molecular weight of alcohol = 92)
Q.3 Calculate number of molecules of Grignard regent consumed by 1 molecule of followingcompound.
OO
NO2HO
OO
H
Q.4 Number of RMgX consumed per molecule with the following reactant.(a) PhCHO
(b) OEt�C�C�Cl||||
OO
(c)
CH Cl2
COCH3
CH3O
OH
(d) SiCl4
Grignard Reagent [15]
Q.5
OH)ii(
MgBrCHx)i(
3
3 (reaction-1)
OH)ii(
MgBrCHy)i(
3
3 (reaction-2)
EtOCOEt||
O
H)ii(
PhMgBrz)i(
Ph|
PhCPh|
OH
(reaction-3)
What is the value of x + y + z = ?
Q.6 How many cycloalkyl chloride (without considering stereoisomers) would yield1,3-dimethyl-cyclohexane on conversion into the Grignard reagent followed by treatment with ethanol.
Q.7 How many grams of benzene would be produced when 135.5 gms of phenyl magnesium chloride istreated with 224 ml of ethyne at STP?
Q.8 Addition of phenyl magnesium bromide to 4-tert-butyl cyclohexanone gives two isomeric tertiary alcoholas product. Both alcohol yield same alkene when subjected to acid-catalyzed dehydration. Suggest areasonable structure for these two alcohol.
4-tert-butyl cyclohexanone
Q.9 Organic halide having carbonyl, cyanide , epoxy , OH , � NH2 , � NHR , �CO
2H , �SO
3H , �SH ,
� CCH group cannot be used to prepare grignard reagent. Explain why?
Q.10 What is the product in the following reactions.
(a)
MgBrCH3 A
(b) PhMgBr +
BrBr||
CHCCH 22 B
(c)
Br|
CHOCH)CH(CHClNH)ii(
ether/Mg)i(2322
4
C
Grignard Reagent [16]
Q.11 Neither of these methods of making pentan-1,4 diol will work. Explain why not � what will happen
instead?
(i) CHO�CH2�CH2�CH2�OH
Hbyfollowed
MeMgBr
OHOH||CHCHCHCHCH 2223
(ii) Br�CH2�CH2�CH2�OH OEt
Mg
2
MgBr�CH2�CH2�CH2�OH
Hbyfollowed
CHOCH3
OHOH||CHCHCHCHCH 2223
Q.12 Conversion : HCCH CH3�CCDPh�Br Ph�D
Q.13 (a) Unlike other esters which react with Grignard reagents to give tertiary alcohols, ethyl formate
)CHHCOCH(||
O
32 yields a different class of alcohols on treatment with Grignard reagents. What kind of
alcohol is formed in this case and why?
(b) Diethyl carbonate )CHOCOCHCHCH(||
O
3223 reacts with excess Grignard reagent to yield alcohols of a
particular type. What is the structural feature that characterizes alcohols prepared in this way?
Q.14 What are the products ?
(a) PhMgBr ClNH)ii(
COCl)i(
4
2 (excess)
(b)O
HHS + PhMgBr
Q.15 What products would be formed in these reactions ?
(a) Ph � C CH ClNH)iii(
COPh)ii(
EtMgBr)i(
42
A (b) Br + Mg ether
dry A A
OH)ii(
CO)i(
3
2 B.
(c) A. (d) OH,Hthen
.)eq1(EtMgBr
2 C11H18O2
Grignard Reagent [17]
EXERCISE�IV
Q.1 Write the structural formula of main organic product formed when ethyl acetate is treated with double themolar quantity of methyl magnesium bromide and the reaction mxiture is poured into water.
[JEE 1981]
Q.2 Identify the major product. [JEE 1993]C6H5COOH + CH3MgI ? + ?
Q.3 Predict the major product. [JEE 1994]
C6H5� CH2COCH3
H)ii(
)excess(MgBrCH)i( 3
Q.4 Which of the following is an organometallic compound? [JEE 1997](A) Lithium methoxide (B) Lithium acetate(C) Lithiumdimethylamide (D) Methyl lithium
Q.5 (CH3)3CMgCl on treatment with D2O produces [JEE 1997](A) (CH3)3CD (B) (CH3)3COD (C) (CD)3CD (D) (CD)3COD
Q.6 Ethyl ester )excess(
MgBrCH3 P, the product 'P' will be [JEE 2003]
(A) (B)
(C) (D)
Q.7 Order of rate of reaction of following compounds with phenyl magnesium bromide is: [JEE 2004]
)I(O||
PhCPh
)II(O||
HCMe
)III(O||
MeCMe
(A) I > II > III (B) II > III > I (C) III > I > II (D) II > I > III
Q.8 Ph � MgBr + CH3
3
3
CH|
OHC|
CH
AA [JEE 2005]
(A) (B)
3
3
3
CH|
OPhCCH|
CH
(C) (D)
3
3
3
CH|
PhCCH|
CH
Q.9 Identify the reaction mechanism : [(II-7-b)JEE 2011]
Grignard Reagent [18]
ANSWER KEY
EXERCISE - I
Q.1 D Q.2 A Q.3 A Q.4 C Q.5 C Q.6 A Q.7 CQ.8 C Q.9 D Q.10 D Q.11 A Q.12 B Q.13 B Q.14 AQ.15 ABC Q.16 A Q.17 C Q.18 D Q.19 BD Q.20 A Q.21 CQ.22 AB Q.23 C Q.24 C Q.25 C Q.26 C Q.27 B Q.28 BQ.29 C Q.30 C Q.31 CD Q.32 B Q.33 C Q.34 C Q.35 DQ.36 A Q.37 C Q.38 B Q.39 A Q.40 A Q.41 D Q.42 AQ.43 C Q.44 C Q.45 C Q.46 A Q.47 B Q.48 C
EXERCISE - II
Q.1 AB Q.2 BD Q.3 BC Q.4 ACD Q.5 BCQ.6 CD Q.7 BD Q.8 ACD Q.9 ABC Q.10 CDQ.11 BCD Q.12 ABC
EXERCISE-III
Q.1 (i) CH3�Cl (ii)
O||
HCH (iii)
O||
HCCH3 (iv) O
(v) CH2=CH�CH2�Cl (vi)
C=OCH3
Q.2 3 Q.3 5 Q.4 1434 Q.5 12 Q.6 5Q.7 1.56 gms Q.8 Geometrical isomer will formed Q.9 Not required
Q.10 (a) + CH4 + MgBr
(b)
BrPh||
CHCCH 22
(c) ClNH)ii(
Ether/Mg)i(
4
Q.11 Due to acidic hydrogen
Q.12 (a)HCC�H)NH.(liq
NaorLiO
3
CNaCH
ClCH3
3CHCCH
MgBrCH3
BrMg�CC�
CH3D�CC-CH3
(b) Ph�Br Mg Ph�MgBr
OD2 Ph�D
Q.13 (a) Formate gives aldehydes & other esters gives ketones.
Grignard Reagent [19]
(b) MgX3 R3C� MgXO
�
RO2
OH2 R3C � OH + Mg
Q.14 (a) Ph3C�OH (b) PhH
Q.15 (a) EtH + PhCCCPh|OH
2 (b)
(c) (d)
EXERCISE�IV
Q.1 MgBrCH2HOCCCH||
O
3523 OH2
Q.2 C6H5COO¯ Mg I + CH4 Q.3
3
3256
CH|
CH�C�CHHC|
OH
Q.4 D Q.5 A Q.6 A Q.7 B Q.8 AQ.9 Nucleophilic substitution & Nucleophilic addition
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