Aniline (i) (CH_3CO)_2O (ii) HOSO_2Cl (iii) RNH_2 [ ] (iv) dil. HCl [X]; here X is

JEE Main Chemistry question

Aniline [X];

here is

(A)a ring bearing and
(B)a ring bearing and Correct
(C)a ring bearing and
(D)a ring bearing and

Answer: (B)

Solution

Aniline is first acetylated to protect the amino group (acetanilide). Chlorosulfonation () installs a group (predominantly para). Reaction with the amine converts this into the sulfonamide, .

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Question ID VK-150367