See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Pinacole-Pinacolone reaction occurs but free carbocation is not formed under the given conditions. Hence, NGP by phenyl ring results into the product. 3 CH COOH O H H NO2 OH CH3 O H H OH2 CH3 NO2 CH3 H NO2 O H CH3 H O NO2   Product