When CH3CH2CHCl2 is treated with NaNH2, the product formed is
CH3-CH=CH2
CH3-C≡CH
CH3CH2CH<NH2NH2
CH3CH2C<NH2Cl
Chlorobenzene reacts with Mg in dry ether to give a compound (A),'A' further reacts with ethanol to yield -
R-CH2-CCl2-R →ReagentR-C≡C-R. The reagent is
Na
HCl in H2O
KOH in C2H5OH
Zn in alcohol
Ethyl chloride is converted into diethyl ether by -
Wurtz reaction
The alkyl halide is converted into an alcohol by
Addition
Dehydrohalogenation
The addition of Br2 on cis-but-2-ene gives:
Racemic mixture of 2,3-Dibromobutane
Meso form of 2,3-Dibromobutane
Dextro form of 2,3-Dibromobutane
Laevo form of 2,3-Dibromobutane
The number of different substitution products possible when ethane is allowed to react with bromine in sunlight are:
9
6
8
5
, Cl obtained by chlorination of n-butane, will be
meso form
racemic mixture
d-form
l-form
The reactivity order of halides for dehydrohalogenation is
R-F>R-Cl>R-Br>R-I
R-I>R-Br>R-Cl>R-F
R-I>R-Cl>R-Br>R-F
R-F>R-I>R-Br>R-Cl
In SN2 reactions, the correct order of reactivity for the following compounds : CH3Cl, CH3CH2Cl, CH32CHCl and CH33CCl is :
CH3Cl>CH32CHCl>CH3CH2Cl>CH33CCl
CH3Cl>CH3CH2Cl>CH32CHCl>CH33CCl
CH3CH2Cl>CH3Cl>CH32CHCl>CH33CCl
CH32CHCl>CH3CH2Cl>CH3Cl>CH33CCl
Action of RMgX with vinyl chloride gives:
alkane
alkyne
alkene
all of these
What would be the product formed when 1-bromo-3-chlorocyclobutane reacts with two equivalents of metallic sodium in ether?
X →Cl2 Benzotrichloride →Hydrolysis Y
X and Y respectievely are:
benzene, benzaldehyde
toluene, benzaldehyde
toluene, benzoic acid
benzene, benzoic acid
Benzene on reaction with a mixture of HNO3 and H2SO4 followed by reaction of Cl2/FeCl3 gives:
3-chloro -1 -nitrobenzene
2-chloro -1 -nitrobenzene
4-chloro -1 -nitrobenzene
a mixture of 2-chloro and 4-chloro -1 -nitrobenzene
A yellow precipitate is obtained when aqueous AgNO3 is added to a solution of the compound:
CCl3CHO
CHI3
CHCl3
C6H5CH2Cl
End product D of the following reaction will be
In the following sequences of reactions;
CH3CH2CH2I→KOH(alc.)(A)→Br2(B)→NaNH2/NH3(C)
the end product (C) is:
alkanol
alkyl amine
Which is gem dihalide?
CH3.CHBr2
Friedel-Craft's reaction of bromobenzene with methyl iodide gives:
o-bromotoluene
p-bromotoluene
o-and p-bromotoluenes
m-bromotoluene
Benzyl chloride (C6H5CH2Cl) can be prepared from toluene by chlorination with:
SO2Cl2
SOCl
S2Cl2
NaOCl2
When vinyl chloride is passed through alcoholic KOH solution:
it dissolves
it forms vinyl alcohol
it forms acetylene
it has no action
Identify 'Z' in the following reaction series,
CH3CH2CH2Br →aqueous NaOH(X) →HeatAl2O3 (Y) →HOCl(Z):
mixture of
The reaction, RCl +NaI →AcetoneR-I + NaCl is known as:
Fittig reaction
Frankland's reaction
Finkelstein's reaction
Elimination of HBr from 2-bromobutane results in the formation of:
equimolar mixture of 1- and 2-butene
predominantly 2-butene
predominantly 1-butene
predominantly 2-butyne
(CH3)3CMgCl on reaction with D2O gives:
(CH3)3CD
(CH3)3OD
(CD3)3CD
(CD3)3OD
Benzoyl Chloride is prepared from benzoic acid by:
Cl2, hv
SOCl2
Cl2, H2O
CH3CH2CH2Br→KOH(alc.)(A)→HBr(B)→KOH(aq) (C)
the product (C) is:
propene
propyne
propan-1-ol
propan-2-ol
Iodoform can be prepared from all except :
Isopropyl alcohol
3-methyl-2-butanone
isobutyl alcohol
ethyl methyl ketone
The alkyl halide that can not give a white precipitate with an alcoholic AgNO3 solution is:
Ethyl chloride
Allyl chloride
Isopropyl chloride
Vinyl chloride
Identify (Z) in the following reaction reaction series,
C2H5I →KOHAlcoholic(X) →Br2(Y) →excess KCN(Z):
CH3-CH2-CN
CH2|CN-CH2|CN
CH2|Br-CH2|CN
CH|CN=CH|CN
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