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  4. The formation of cyanohydrin from acetone is which type of reaction?

Q. The formation of cyanohydrin from acetone is which type of reaction?

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Solution:

Cyanohydrin formation:

Solution

This reaction is nucleophilic addition reaction.

Step (i): The nucleophilic carbon in the cyanide adds to the electrophilic carbon in the polar carbonyl group, electrons from the move to the electronegative creating an intermediate alkoxide.

Step (ii): An reaction protonation of the alkoxide oxygen creates the cyanohydrin product.