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a and b in the following reactions are
Question:
A and B in the following reactions are :
NEET (UG) - 2003
NEET (UG)
Updated On:
Apr 27, 2026
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Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
When a ketone undergoes a reaction with HCN, it results in the formation of a cyanohydrin. The cyanohydrin that is produced in this manner can then be further reduced to yield a primary amine by the use of LiAlH
4
.
So, the correct option is (D).
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Concepts Used:
Aldehydes, Ketones and Carboxylic Acids - Chemical Reactions
Chemical Reactions of Aldehydes and Ketones:
Nucleophilic addition reactions
Nucleophilic Addition Reactions
Tollens’ test
Tollens’ Test
Fehling’s test
Fehling’s Test
Aldol condensation
Aldol Condensation
Cross aldol condensation
Cross Aldol Condensation
Cannizzaro Reaction
Cannizzaro Reaction
Electrophilic Substitution Reaction
Electrophilic Substitution Reaction
Read Also:
Aldehydes, Ketones, and Carboxylic Acids
Esterification
Fischer Esterification
Decarboxylation
Decarboxylation
Halogenation
Halogenation
Read More:
Chemistry Named Reactions