Question

The number of resonating structures of $N{O}_2$ is :

• A. $3$
• B. $2$
• C. $5$
• D. $4$

Answer 1

Answer: (B)

$2$

Each has an $N=O$ double bond and an $N-O^{-}$ bond. The N atom has an unpaired electron and a positive charge. These are the two major resonance contributors to $N{O}_2$.