1.

DINESH COMPANION14.54Give one chemical test to distinguish between the following pairs of compounds(i) Methylamine and dimethylamine2.

Answer»

(i)Methylamine and dimethylamine can be distinguished by the carbylamine test.

Carbylamine test: Aliphatic and aromatic primary amines on heating with chloroform and ethanolic potassium hydroxide form foul-smelling isocyanides or carbylamines. Methylamine (being an aliphatic primary amine) gives a positive carbylamine test, but dimethylamine does not.

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