Q.
Which of the following compounds is most reactive towards nucleophilic addition reactions?
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Aldehydes Ketones and Carboxylic Acids
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Solution:
Aldehydes are generally more reactive than ketones in nucleophilic addition reactions due to steric and electronic reasons. Benzaldehyde is less reactive than ethanal as the polarity of the carbonyl group is reduced in benzaldehyde due to resonance as shown below:
