11. Which of the following aryl amines undergo diazotisation most readily? 1) p-nitro aniline 2) p-chloro aniline 3) p-methoxy aniline 4) p-methyl aniline

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Which of the following orders is true regarding the basic nature of NH₂ group?

Account for the following

(i) $p K_{b}$ of aniline is more than that of methyl amine.

(ii) Ethylamine is soluble in water whereas aniline is not

(iii) Methyl amine in water reacts with ferric chloride to precipitate hydrated ferric oxide

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

(v) Aniline does not undergo Friedel Crafts reaction

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

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

Q. Which of the following shows carbyl amine reaction
A. Aniline B. Ethyl methyl amine

C. Tertiary butyl amine D. Isopropyl amine

The correct answer is

The positive carbylamines test is given by
(i) N, N-dimethyl aniline (ii) 2, 4-dimethyl aniline

(iii) N-methyl-O-methyl aniline (iv) p-methyl benzylamine

Q. By which of the following reactions one can get N-methyl aniline from aniline ?

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