MHT CET 2022 Chemistry question

What is the intermediate product obtained in the preparation of phenol from aniline?

(A)Aniliniumcation
(B)Benzene diazonium chlorideCorrect
(C)Benzene
(D)Sodium phenoxide

Answer: (B)

Solution

Phenol is prepared from aniline in two steps. Step 1 (diazotisation): aniline reacts with and HCl at 273-278 K to give benzene diazonium chloride, . Step 2: warming the diazonium salt with water (or dilute acid) replaces the diazonium group by -OH, giving phenol

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Question ID VK-093843