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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?

 1361  179 ManipalManipal 2008Organic Chemistry – Some Basic Principles and Techniques Report Error

Solution:

Ketone undergoes nucleophilic addition reaction because if nucleophiles attack first followed by electrophiles, anion is formed as intermediate and if electrophiles attack first followed by nucleophiles, cation, formed as intermediate. The stability of anion is more than cation, so nucleophiles attack first followed by electrophiles.
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So, probable mechanism will be