Which of the following pair does not represent resonance structures?

Question

Quizplus · Accepted Answer

In resonance structures, the position of the atoms should remain the same but the placement of electrons may change. In option C, the position of the nitrogen and oxygen atoms has changed, indicating that it is not a resonance structure. Options I, II, and IV have the same positions of atoms and differ only in the placement of electrons, which is indicative of resonance structures.

Which of the Following Pair Does Not Represent Resonance Structures