Identify the product P obtained in following reaction. Benzene + ozone (excess) CCl_4 Benzene triozonide Zn/H_2O P + H_2O_2

MHT CET 2023 Chemistry question

Identify the product P obtained in following reaction. Benzene + ozone (excess) Benzene triozonide P + HO

(A)Benzoic acid
(B)Benzaldehyde
(C)Phenol
(D)GlyoxalCorrect

Answer: (D)

Solution

Benzene reacts with three molecules of ozone (reaction on each of its three Kekule double bonds) to form benzene triozonide. Reductive hydrolysis with cleaves each ozonide: each C=C unit becomes two carbonyl carbons, and because the ring carbons are each bonded to a neighbouring ring carbon, the six

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Question ID VK-095318