Ncert Exercises & Solutions

A primary amine, RNH₂ can be reacted with CH₃—X to get secondary amine, R—NHCH₃ but the only disadvantage is that 3^o amine and quaternary ammonium salts are also obtained as side products. Can you suggest a method where RNH₂ forms only 2^o amines?

Primary amines show carbylamine reaction in which two H-atoms attached to N-atoms of NH₂ are replaced by one C-atom. On catalytic reduction, isocyanide (formed) produces secondary amine and not tertiary or quaternary salts.

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