Q 1818145009.     Account for the following
(1) `pK_b` of aniline is more than that of
methylamine

(ii) Ethylaminc is soluble in water whereas
aniline is not.

(iii) Methylamine in water reacts with ferric
chloride to precipitate hydrated ferric
oxide.

(iv) Although amino group is o and p-dirccting
in aromatic clechophilic substitution
reactions, aniline on nitration gives a
substantial amount of m-nitroaniline.

(v) Aniline docs not undergo Friedei-Crafts
reaction.

(vi) Diazonium salts of aromatic amines are
more stable than those of aliphatic a mines.

(vii) Gabriel phthalimide synthesis is preferred
for synthesising primary amines.

NCERT Chapter Solution 13/13.3

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