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Tert-Butylbenzene does not benzoic acid ...

Tert-Butylbenzene does not benzoic acid on oxidation with acidic `KMnO_(4)`. Give reason.

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Alkylbenzenes in which the alkyl groups contain one or more `alpha`-hydrogens or benzylic hydrogens on vigorous oxidation with acidic `KMnO_4` ultimately give the corresponding benzoic acids irrespective of the length of the carbon chain. For example ,
tert-Butylbenzene , on the other hand, does not contain any `alpha`-hydrogen or benzylic hydrogen and hence does not undergo oxidation easily to give benzoic acid
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