Statement 1: The replacement of a hydrogen atom by a sulphonic acid group (–SO_3H) is known as sulphonation. Statement 2: Sulphonation follows a free-radical mechanism.

JEE Main Chemistry question

Statement 1: The replacement of a hydrogen atom by a sulphonic acid group (–SOH) is known as sulphonation. Statement 2: Sulphonation follows a free-radical mechanism.

(A)Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
(B)Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
(C)Statement 1 is True, Statement 2 is FalseCorrect
(D)Statement 1 is False, Statement 2 is True

Answer: (C)

Solution

Sulphonation, the substitution of a ring (or chain) hydrogen by –SOH using fuming sulphuric acid (oleum, SO), is correctly defined in Statement 1. However, aromatic

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Question ID VK-142461