Chemistry - GOC Question with Solution | TestHub

ChemistryGOCRESONANCE AND MESOMERIC EFFECTEasy2 minQB
ChemistryEasysingle choice

Are the two structures shown below (cycloheptatriene (i) and norcaradiene (ii)) resonance forms of one another ?

resonance structures

Options:

Answer:
B
Solution:

In going from the triene to norcaradiene a new C-C sigma bond closes the three-membered ring. Resonance structures keep the same sigma framework, so these are two different (valence-tautomer) compounds.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:RESONANCE AND MESOMERIC EFFECT
⏱ 2mℹ️ Source: QB

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