MHT CET 2022 Chemistry question

Which among the following is obtained as a product when phenol is treated with NaOH and followed by acid hydrolysis?

(A)Phthalic acid
(B)Benzoic acid
(C)Salicylaldehyde
(D)Salicylic acidCorrect

Answer: (D)

Solution

This is the Kolbe-Schmidt reaction. Phenol is first converted into sodium phenoxide by NaOH; the highly activated phenoxide ring then attacks (an electrophile) at the ortho position under pressure at about 400 K, giving sodium salicylate, which on acidification

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Question ID VK-093995