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Aldehydes, Ketones and Carboxylic Acids — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryAldehydes, Ketones and Carboxylic Acids3 Marks
Question
How does acetone reacts with HCN and NaHSO3?
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Answer

(i) When acetone reacts with HCN, it gives nucleophilic addition product acetone cyanohydrin. This reaction occurs slowly with pure HCN, therefore this reaction is carried out in the presence of alkali.
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