Write short notes on Carbylamine reaction .

Explanation

Primary amines on heating wih chloroform and alcoholic potash forms a foul smelling substance called carbylamine or alkyl isocyanide.
`{:(CH_3NH_2+CHCl_3+3KOH to CH_3NC+3KCl+3H_2O),(" Chloroform Methyl isocyanide "):}`
This reaction is characteristic of primary amines. Secondary and tertiary amines do not udergo this reaction.