What is the major product formed upon the sul | vedclass

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Question

(B) The $-COOH$ group attached to the benzene ring is a strong electron-withdrawing group due to its $-I$ and $-M$ effects. It is a deactivating group

Vedclass · Accepted Answer

$m$-sulfobenzoic acid

Vedclass · Answer

(B) The $-COOH$ group attached to the benzene ring is a strong electron-withdrawing group due to its $-I$ and $-M$ effects. It is a deactivating group and is meta-directing for electrophilic aromatic substitution reactions. Therefore,when benzoic acid undergoes sulfonation with fuming sulfuric acid ($H_2SO_4$ or $SO_3/H_2SO_4$),the incoming electrophile $(SO_3)$ attacks the meta-position,yielding $m$-sulfobenzoic acid as the major product.

What is the major product formed upon the sulfonation of benzoic acid?

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