MHT CET 2024 Chemistry question

ChemistryAlcohols, Phenols and EthersMHT CET 2024

Identify product 'B' in the following reaction. Sodium phenoxide

Answer: (C)

Solution

This is Kolbe's (Kolbe-Schmitt) reaction. Sodium phenoxide is an electron-rich ring and reacts with the weak electrophile at 398 K and 6 atm pressure to give sodium salicylate (A), with substitution at the ortho position. Acidification with (dilute acid) releases the free acid:

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Question ID VK-096704