The structure of product C, formed by the following sequence of reaction is : \( CH _{3} COOH + SOCl _{2} \longrightarrow A \stackrel{\text { Benzene }}{ AlCl _{3}} \rightarrow B \frac{ KCN }{- OH } \rightarrow C \)
A
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B
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C
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D
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Solution
The correct option is A Carboxylic acid with SOCl2 gives acid chloride.
Acid chloride with benzene and lewis acid (AlCl3) undergoes Friedel craft acylation reaction. In final step, CN− undergoes nucleophilic addition reaction with keto group to form cyanohydrin.
Hence, option (d) is the correct answer.