Give reasons :

(i) Aniline does not undergo Friedal-Crafts reaction.

(ii) Aromatic primary amines cannot be prepared by Gabriel’s phthalimide synthesis.

(iii) Aliphatic amines are stronger bases than ammonia.

 

 
 
 
 
 

Answers (1)

(i) Aniline does not undergo Friedal-Crafts reaction because Aniline forms salt with AlCl3, the Lewis acid.

(ii) Aromatic primary amines cannot be prepared by Gabriel’s phthalimide synthesis because Aryl halides do not undergo nucleophilic substitution with the anion formed by phthalimide

(iii) Aliphatic amines are stronger bases than ammonia because Due to +I effect of alkyl group electron density on N atom increases.

 

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