Amines

Amines

Question

Give reasons for the following:
i) Aniline does not undergo Friedal-Crafts reaction.
ii) (CH3)3N is more basic than (CH3)3N in an aqueous solution.
iii) Primary amines have higher boiling point than tertiary amines.

Answer

(i) Aniline is a Lewis base while AlCl3 is lewis acid. They combine to form a salt.

(ii)Due to combined + I and solvation effects.

(iii)Due to the presence of H-bonding in primary amines.

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