Which of the following amines gives carbylamine reaction?

Question

Which of the following amines gives carbylamine reaction? (A) ( C 2 H 5)2 NH (B) ( C 2 H 5)3 N (C) CH 3 NHC 6 H 5 (D) C 2 H 5 NH 2

Tardigrade Admin · Accepted Answer

Aliphatic and aromatic primary amines when warmed with chloroform and an alcoholic solution of

K O H

, form isocyanide or carbylamine.

ethyl amine C_{2} H_{5} N H_{2} + chloroform C H C l_{3} + 3 K O H

(alc.)

Warm ethyl isocyanide C_{2} H_{5} NC + 3 K Cl + 3 H_{2} O

Carbylamine reaction is a characteristic reaction of primary amines and can be used to distinguish primary amines from secondary and tertiary amines.

Q. Which of the following amines gives carbylamine reaction?