Question

Write the reactions of (i) aromatic and (ii) aliphatic primary amines with nitrous acid.

Answer 1

The reaction of aromatic primary amines with nitrous acid gives aromatic diazonium salts.
The reaction of aliphatic primary amines with nitrous acid gives aromatic diazonium salts which decompose to form a mixture of compounds containing alkyl chlorides, alkenes and alcohols. Usually, alcohols are the major products. The reactions are shown above.