MCQ
Which of the following pair are not resonating structure ?
- A

- B

- ✓$C{H_2} = CH - CH = C{H_2}\, \leftrightarrow \,\dot C{H_2} - CH = CH - \dot C{H_2}$
- D




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$C{H_3} - \mathop C\limits^{\mathop {||}\limits^O } - O - C{H_2} - \mathop C\limits^{\mathop {||}\limits^O } - C{H_2} - N{H_2}$