1.

Houw will You distinguish PEimatr cmineSeconda& amine e testic&y amineby itEous acidCl

Answer»

1) Primary amines react with nitrous acid to form alcohols and nitrogen gas. CH3NH2 +O=N–OH ----[CH3 –N=N-OH] +H20 (unstable)[CH3 –N=N-OH]-----CH3OH + N2

Aliphatic diazonium compound is unstable because of absence of resonance stabilisation.

2)Secondary amines react with nitrous acid to form N-nitroso amines which are water insoluble yellow oils.

(CH3)2NH+HO–N=O---(CH3)2N – N = O+H2O

3)Tertiary amines react with nitrous acid to form trialkyl ammonium nitrite salts which are soluble in water. (CH3)3 N + HONO -----(CH3)3 NHNO2+



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