13.22 Write the reactions of
(i) Aromatic
(ii) Aliphatic primary amines with nitrous acid.
13.22 Write the reactions of
(i) Aromatic
(ii) Aliphatic primary amines with nitrous acid.
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1 Answer
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(i) Aromatic amines react with nitrous acid (prepared in situ fromNaNO2 and a mineral acid such as HCl) at 273 - 278 K to form stable aromatic diazonium salts i.e., NaCl and water. This reaction is widely used for preparation of variety of compounds.
(ii) Aliphatic primary amines react with nitrous acid (prepared in situ from NaNO2 and a mineral acid such as HCl) to form unstable aliphatic diazonium salts, which is very reactive, which further produce alcohol and HCl with the evolution of nitrogen gas.
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