13.7     Write short notes on the following:

                 (i) Carbylamine reaction

Answers (1)
M manish

Carbylamine reaction- 

 Aliphatic and aromatic primary amines on reacting with chloroform and ethanolic KOH form isocyanides or carbylamine which is foul smelling substance. Secondary and tertiary amine does not give this reaction. This reaction is known as carbylamine reaction or isocyanide test. It is used to distinguish primary amine.

R-NH_{2}+CHCl_{3}+KOH\xrightarrow[heat]{^\Delta }R-NC+3KCl+3H_{2}O