Identify the product 'B' in the following series of reactions. Chlorobenzene [ ii) H_3O^ + ] i) NaOH, 623 K/150 atm A Br_2 water B

MHT CET 2025 Chemistry question

Identify the product 'B' in the following series of reactions. Chlorobenzene A B

(A)Phenol
(B)o-Bromophenol
(C)p-Bromophenol
(D)2,4,6-tribromophenolCorrect

Answer: (D)

Solution

Step 1 (Dow process): chlorobenzene is heated with aqueous NaOH at 623 K and 150 atm to give sodium phenoxide, which on acidification with gives phenol, so A is phenol. Step 2: phenol reacts with bromine water; the group strongly activates the ortho and para positions, and in a polar

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Question ID VK-100595