Give a chemical test to distinguish between Ethylamine and Aniline.

Azo-dye test is used to distinguish the difference between the Ethyl amine and aniline from each other.

On reacting with NaNO2 + dil HCl and followed by 2-naphthol gives a coloured product. But when it is ethylamine it gives brisk effervescence due to the evolution of N2 gas under the same conditions.

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