Toluene can be oxidised to benzoic acid by

Options

(a) H₂SO₄
(b) KMnO₄
(c) K₂Cr₂O₇
(d) both (KMnO₄) and (K₂Cr₂O₇)

Correct Answer:

both (KMnO₄) and (K₂Cr₂O₇)

Explanation:

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