STANDARDChemistry-Aldehydes and Ketones
STANDARD Chemistry Reactions of Aldehydes MCQ Question
Type: MCQ-conceptual-Medium
Fill in the blanks by suitable choices. The carbon atom in carbonyl group is ____ hybridised. The carbonyl group in aldehydes and ketones undergoes _____ reactions. Aldehydes which have α-H atom undergo _____ reaction while aldehydes which have no α-H atom undergo _____ reaction.
A
CH C – CHO
B
HCHO
C
C6H5CHO
D
CH3CH2CHO
Correct Answer
Option D
Detailed Explanation
The carbon atom in the carbonyl group is sp² hybridised. The carbonyl group undergoes nucleophilic addition reactions. Aldehydes with α-H undergo aldol condensation, while those without undergo Cannizzaro reaction.
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