Chemistry - GOC Question with Solution | TestHub
ChemistryGOCRESONANCE AND MESOMERIC EFFECTEasy2 minQB
ChemistryEasysingle choice
Which of the following pairs are resonance structures of each other ?
(I) 
⟷
(II) 
⟷ 
(III) 
⟷ 
(IV) 
⟷ 
Options:
Answer:
B
Solution:
(I) two Kekule forms : resonance. (IV) allyl cation, only electrons move : resonance.
(II) is a keto-enol pair (a hydrogen has moved), a tautomer pair. (III) the diradical has a different number of unpaired electrons and is not a contributor.
Answer : I, IV.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
