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Amines

Question
CBSEENCH12009038

Give one chemical test to distinguish between the following pairs of compounds.
Aniline and benzylamine

Solution
Aniline and benzylamine: Add NaNO2 and HCl to each separately. Cool, it to 0-5°C. Then add an alkaline solution of phenol. Orange azo dye is formed in aniline. Benzylamine (C6H5CH2NH2) does not form an azo dye.