Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Decreasing order of resonance energy for the given molecules is:
(I) 
(II) 
(III) 
(IV) 
A
i 
ii 
iii 
iv
ii iii iv
B
iii 
ii 
i 
iv
ii i iv
C
ii 
i 
iii 
iv
i iii iv
D
Iv 
ii 
i 
iii
ii i iii
Text Solution
Verified by ExpertsThe correct answer is:
B
Conditions for the resonance energy No. of 
bond 
resonance energy 
stability
Contributing structures should be that negative charges reside on an electronegative element, and positive energy resides on an electropositive element. In contributing structures, like charges should not reside on atoms close to each other and unlike charges should be widly separated. Electronegativity order 
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