Question

Which of the following structures constitute resonance structures ?

• A. and CH3 – O – N = O
• B. and
• C. (CH3)2CO and
• D. CH3 – CH = CH – CH3 and CH3 – CH2 – CH = CH2

Answer 1

Answer: (B)

and

Answer 2

Position of nuclei does not changes in case of resonating structures.