JEE Main · ChemistryMedium
Which compound will show the highest reactivity towards nucleophilic addition by ?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
- Nucleophilic addition is favored by less steric hindrance and more electrophilic carbonyl carbon.
- Aldehydes are generally more reactive than ketones due to less steric crowding.
- Acetaldehyde has only one methyl group, whereas benzaldehyde has a bulky phenyl group that provides resonance stabilization to the carbonyl.
- Acetaldehyde is the least sterically hindered and lacks the resonance stabilization of the phenyl ring.
- Hence the answer is (B).
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