First slide
Nucleophilic Addition reaction
Question

Which one is most reactive towards nucleophilic addition reaction?

Moderate
Solution

Aromatic aldehydes are more reactive than alkyl aryl ketones. Electron withdrawing group (-NO2) increases the reactivity towards nucleophilic addition reactions whereas, electron donating group (-CH3) decreases the reactivity towards nucleophilic addition reactions. Therefore, the order is:

 

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