Chemistry - GOC Question with Solution | TestHub

ChemistryGOCRESONANCE AND MESOMERIC EFFECTEasy2 minQB
ChemistryEasysingle choice

The Lewis structures (A) to (F) of six isomers of CH₂N₂ are given below.

Which two structures are resonance contributors of the same molecule ?

structure

Options:

Answer:
B
Solution:

(A) H₂C⁻-N⁺≡N and (B) H₂C=N⁺=N⁻ have the same atom positions and differ only in the placement of pi electrons and lone pairs, so they are resonance forms (diazomethane). The other pairs have different connectivity, so they are different isomers.

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

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