Question

Which statement is not correct about $N{O}_2$?

• A. It is paramagnetic.
• B. It forms dimer, and paramagnetism is lost.
• C. It has one coordinate bonds.
• D. It has nitrogen oxygen triple bond.

Answer 1

Answer: (D)

It has nitrogen oxygen triple bond.

$N{O}_2$has a single unpaired electron due to which it exists as a dimer $N_2{O}_4$. It has one coordinate bond between $N$ and $O$ and the other single bond. Both are resonance stabilized. $N{O}_2$is paramagnetic because it has 23 electrons which is an odd number.