Which one is most reactive towards Nucleophilic addition reaction?
As learnt in
Chemical properties of aldehydes and ketones -
Undergo nucleophilic addition reactions at carbon-oxygen double bond, hybridization of carbon changes from sp2 to sp2. Aldehydes are more reactive than ketones due to steric hindrance and +I effect of an alkyl group.
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-NO2 shows -M effect.
Therefore, most reactive towards nucleophilic addition reaction.
Option 1)
This option is incorrect
Option 2)
This option is incorrect
Option 3)
This option is incorrect
Option 4)
This option is correct