1
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following will undergo Nucleophilic substitution, by $$\mathrm{S}_{\mathrm{N}}{ }^1$$ mechanism, fastest?

A
$$ \mathrm{Br}-\mathrm{CH}_2-\mathrm{CH}=\mathrm{CH}_2 $$
B
$$ \mathrm{C}_6 \mathrm{H}_5 \mathrm{Br} $$
C
$$ \mathrm{CH}_3-\mathrm{CH}=\mathrm{CHBr} $$
D
$$ \mathrm{C}_6 \mathrm{H}_{11} \mathrm{Br} $$
2
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0

Alkyl halides undergoing SN2 reaction do inverse

A
racemic mixture
B
retention of configuration
C
formation of carbocation
D
inversion of configuration
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The reaction $$\mathrm{ArN_2^ + C{l^ - }\buildrel {Cu/HCl} \over \longrightarrow ArCl + {N_2} + CuCl}$$ is called as

A
Sandmeyer reaction
B
Gattermann reaction
C
Claisen reaction
D
Carbylamine reaction
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Benzene reacts with chlorine in sunlight to give a final product

A
C$$_6$$H$$_5$$Cl
B
C$$_6$$Cl$$_6$$
C
C$$_6$$H$$_6$$Cl$$_6$$
D
CCl$$_4$$
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