Question

 Predict the reactant of the following reaction:

 

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19 Jan 2026
Answer :
Word Count : 236
**(i)** Reaction: A benzene ring with two **–COOH** groups is treated with **KMnO₄ / H₂O**. * KMnO₄ is a strong oxidizing agent. * But the compound already has **–COOH groups**; usually, KMnO₄ oxidizes **alkyl side chains** on aromatic rings to **carboxylic acids**. * Since the product is
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