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  4. The reaction of CHCl3 and alcoholic KOH with p -toluidine gives

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Q. The reaction of $ CHC{{l}_{3}} $ and alcoholic $ KOH $ with $ p $ -toluidine gives

KEAMKEAM 2008Amines

Solution:

Aliphatic and aromatic primary amines on warming with $ CHC{{l}_{3}} $ and alcoholic $ KOH $ form isocyanide or carbylamine which has very unpleasant smell. This reaction is known as carbylamine reaction. Since p-toluidine contains an aromatic primary amine group, it undergoes similar reaction and give 4-methyl phenyl isocyanide.
$ +3KCl+3{{H}_{2}}O $

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