Chemistry - GOC Question with Solution | TestHub

ChemistryGOCRESONANCE AND MESOMERIC EFFECTMedium2 minQB
ChemistryMediumsingle choice

Structural formulas A, B, C and D of four isomers of HCNO are given below.

Which of the four structures is the least stable (least important) ?

structure

Options:

Answer:
C
Solution:

(D) puts the negative charge on carbon, the least electronegative atom, next to N⁺. (B) and (C) are neutral, and (A) has its negative charge on oxygen. So (D) is the least stable.

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

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