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ChemistryGOCRESONANCE AND MESOMERIC EFFECTMedium2 minPYQ_2020

ChemistryMediumsingle choice

The increasing order of the following compounds towards $HCN$ addition is :

(i) (ii) (iii)(iv)

Answer:

Solution:

$- I, - M$ effect of ${NO}_{2}$ increase reactivity towards nucleophilic addition reaction with $HCN$ .

Nucleophile attacks on carbon atom of carbonyl group which will be more reactive if any wlectron withdrawing group is attached in ring.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT

⏱ 2mℹ️ Source: PYQ_2020

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