Question

c5h9ch(ch3)cl + koh​

Answer 1

Answer:

Aniline, chloroform and alc. KOH on heating gives foul smelling phenyl isocyanide.

Aniline

C

6

​

H

5

​

−NH

2

​

​

+CHCl

3

​

+3KOH

heat

​

 

Phenylisocyanide

C

6

​

H

5

​

−NC

​

+3KCl+3H

2

​

O

This is Hofmann's carbylamine test also called isocyanide test. It is given by aliphatic or aromatic primary amines. This test is not indicated by secondary or tertiary amines.

Explanation: