In the reaction: Phenol NaOH (A) [140^ C ] CO_2 + HCl (B). Identify B [MH CET 1999]

MHT CET Chemistry question

In the reaction: . Identify B [MH CET 1999]

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

Answer: (D)

Solution

Phenol with NaOH gives sodium phenoxide (A), which undergoes Kolbe's carboxylation with followed by acidification to give o-hydroxybenzoic acid (salicylic acid);

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Question ID VK-079667