MHT CET 2024 Chemistry question

Which of the following compounds is used to convert acetaldehyde into acetaldehyde cyanohydrin?

(A) (neutral)
(B) (dil)
(C)HCNCorrect
(D)

Answer: (C)

Solution

Aldehydes undergo nucleophilic addition with hydrogen cyanide (in the presence of a trace of base to generate ) to give cyanohydrins: CH_3CHO + HCN \rightarrow CH_3CH(OH)CN (acetaldehyde cyanohydrin,

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Question ID VK-095051