Carbonyls 4. Nucleophilic Addition with HCN

This video looks in detail at the nucleophilic addition reactions of ethanal and propanone with hydrogen cyanide (acidified solution of KCN actually). Cyanohydrins (hydroxynitriles) are formed. The lack of optical activity in chiral products is also... This video looks in detail at the nucleophilic addition reactions of ethanal and propanone with hydrogen cyanide (acidified solution of KCN actually). Cyanohydrins (hydroxynitriles) are formed. The lack of optical activity in chiral products is also explained in terms of the trigonal-planar geometry of the carbonyl.
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