NEET Chemistry Nucleophilic Addition MCQ Question
If 0.5 moles of acetone undergo nucleophilic addition with excess hydrogen cyanide (HCN) in the presence of a base catalyst, how many moles of cyanohydrin are formed assuming the reaction goes to completion?
0.5 moles
0 moles
0.25 moles
0 moles
Correct Answer
Detailed Explanation
In the nucleophilic addition reaction of acetone with HCN, one mole of acetone reacts with one mole of cyanide ion to form one mole of cyanohydrin. Therefore, 0.5 moles of acetone will yield 0.5 moles of cyanohydrin.
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