Reaction of o-toluic acid with Br_2/Fe gives: | vedclass

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(B) The reaction of $o$-toluic acid ($2$-methylbenzoic acid) with $Br_2/Fe$ is an electrophilic aromatic substitution reaction.In $o$-toluic acid,the

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(B) The reaction of $o$-toluic acid ($2$-methylbenzoic acid) with $Br_2/Fe$ is an electrophilic aromatic substitution reaction.In $o$-toluic acid,the $-CH_3$ group is ortho/para-directing,and the $-COOH$ group is meta-directing.Both groups direct the incoming electrophile $(Br^+)$ to the same position,which is the position para to the $-CH_3$ group and meta to the $-COOH$ group.This position is the $5$-position of the ring (relative to the carboxylic acid group at position $1$ and methyl at position $2$).Therefore,the product formed is $5$-bromo-$2$-methylbenzoic acid,which corresponds to structure $B$.

Reaction of $o$-toluic acid with $Br_2/Fe$ gives:

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