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  4. Aniline can be distinguished from methyl amine by its reaction with

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Q. Aniline can be distinguished from methyl amine by its reaction with

NTA AbhyasNTA Abhyas 2020Amines

Solution:

Methyl amine when reacts with $NaNO_{2}$ and $\text{HCl}$ gives $N_{2}$ , while aniline gives diazonium salt. Diazonium salt so formed give red colour dye with alkaline $\beta $ naphthol. Methyl amine however does not produce dye. So these two can be distinguished by using these reagents.