HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCarboxylic Acids and DerivativesAchiever Section

Here Z is (a)

B.(CH3)3CCOOH

C.Both (a) and (b)✓ Correct

Explanation

An alkyl group attached to benzene ring can be oxidized only when it contains at least one - hydrogen atom. Thus here –CH3 group is oxidized and Me3C– group not. However, Me3C– group may cause oxidation of the benzene ring to –COOH.

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