Account for the following: (i) pK_(b) of aniline is more than that of methylamine. (ii) Ethylamine is soluble in water whereas aniline is not. (iii) Methylamine in water reacts with ferric chloride to precipitate hydrated feric oxide. (iv) Although amino group is o– and p– directing in aromatic electrophilicsubstitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline. (v) Aniline does not undergo Friedel-Crafts reaction. Diazonium salts of aromatic amines are more stable than those of aliphaticamines. (vii) Gabriel phthalimide synthesis is preferred for synthesising primary amines.

Account for the following: (i) pK_(b) of aniline is more than that of

1.	Account for the following: (i) pK_(b) of aniline is more than that of methylamine. (ii) Ethylamine is soluble in water whereas aniline is not. (iii) Methylamine in water reacts with ferric chloride to precipitate hydrated feric oxide. (iv) Although amino group is o– and p– directing in aromatic electrophilicsubstitution reactions, aniline on nitration gives a substantial amount of m-nitroaniline. (v) Aniline does not undergo Friedel-Crafts reaction. Diazonium salts of aromatic amines are more stable than those of aliphaticamines. (vii) Gabriel phthalimide synthesis is preferred for synthesising primary amines.
Answer» (i), (II) , (III) (ii), (iii) (i), (iii) (i), (ii) ANSWER :B