Which of the following does not give benoic acid salt on oxidation with hot alkaline `KMnO_(4)`.

Which of the following does not give benoic acid salt on oxidation with hot alkaline `KMnO_(4)`.
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Which of the following does not give benoic acid salt on oxidation with hot alkaline `KMnO_(4)`. A. `pH-CH_3` B. ` ... C-CH_(3)` D. `Ph-C(CH_(3))_(3)`
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