Which of the following compounds on boiling w | vedclass

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(C) The oxidation of alkyl benzenes or their derivatives with side chains having at least one benzylic hydrogen atom using alkaline $KMnO_4$ followed

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Anisole

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(C) The oxidation of alkyl benzenes or their derivatives with side chains having at least one benzylic hydrogen atom using alkaline $KMnO_4$ followed by acidification yields benzoic acid.$1$. Benzyl alcohol $(C_6H_5CH_2OH)$ oxidizes to benzoic acid.$2$. Acetophenone $(C_6H_5COCH_3)$ oxidizes to benzoic acid.$3$. Toluene $(C_6H_5CH_3)$ oxidizes to benzoic acid.$4$. Anisole $(C_6H_5OCH_3)$ is an ether. The methoxy group attached to the benzene ring is stable under these conditions and does not undergo oxidation to a carboxylic acid group. Therefore,it does not yield benzoic acid.

Which of the following compounds on boiling with $KMnO_4$ (alk.) and subsequent acidification will not give benzoic acid?

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