(A) Oxidation of toluene & ethyl benzene with acidified KMnO₄gives benzoic acid & phenyl acetic acid respectively.
(R) The oxidation product of alkyl benzene depends on the length of primary alkyl group.

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(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

answer is D.

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Detailed Solution

Irrespective of the length of the alkyl side chain, oxidation occurs at more reactive benzylic car bon atom leading to the formation of benzoic acid.

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