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Question
Chemistry
Reaction of aniline with NaNO2 +dill HCl at 0°C followed by reaction with CuCN yields <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/90a9794c285700fb2cb8266458d58a27-.jpeg />
Q. Reaction of aniline with
N
a
N
O
2
+dill HCl at
0
∘
C
followed by reaction with
C
u
CN
yields
2449
146
KVPY
KVPY 2015
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A
I
B
II
C
III
D
I
V
Solution:
Reaction of aniline with
N
a
N
O
2
+
dil.
H
Cl
at
0
∘
C
gives benzene diazonium salt, which then reacts with
C
u
CN
to give cyanobenzene with the evolution of
N
2
gas.