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JEE Main Chemistry question

ChemistryAlcohols, Phenols and EthersJEE Main

[AIEEE 2006] Phenol reacts with CHCl₃ and NaOH (the Reimer–Tiemann reaction) to give (after acidification) 2-hydroxybenzaldehyde. The electrophile involved in this reaction is

Answer: (B)

Solution

Base deprotonates CHCl₃ to the trichloromethyl carbanion, ⁻CCl₃, which undergoes α-elimination of Cl⁻ to generate

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Question ID VK-140354