Question

Reaction of nitrous acid with aliphatic primary amine in the order cold gives

Answer 1

Answer:

Aliphatic primary amines (except methylamine) react with nitrous acid in cold condition to form unstable aliphatic diazonium salt, which decomposes to give alcohol with liberation of nitrogen gas.

Answer 2

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●Aliphatic primary amines also react with $HNO_2$ at 273–278 K to form aliphatic diazonium salts. However, these are unstable even at low temperature and therefore, decompose readily to form alcohols (generally predominate) and $N_2$ is evolved.