Chemistry - GOC Question with Solution | TestHub
ChemistryGOCRESONANCE AND MESOMERIC EFFECTMedium2 minQB
ChemistryMediumsingle choice
Which pair does not represent a pair of resonance structures ?
(I) 
and 
(II) 
and 
(III) 
and 
(IV) 
and 
Options:
Answer:
D
Solution:
(I) and (II) are allyl cation and allyl radical pairs. (III) is an allyl cation pair on a ring.
In (IV) the first cation is not conjugated to anything, and the two structures differ in atoms bonded, so it is not a resonance pair.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: QB
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