1.

Account for : (i) Amino group is aniline iso- and p- directing in aromatic electrophilic substitution reactions. Aniline on nitration gives a substantial amount of m - nitroaniline. (ii) Aniline does not go Friedel Crafts reaction.

Answer»

Solution :(i) It is because aniline is protonated to form ANILINIUM cation, in which` NH_(3)` group is meta - directing.
(ii) It is because aniline is BASIC, can form ADDUCT with `AICI_(3)`,ELECTROPHILE cannot be GENERATED.


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