Question

Select incorrect statement about $N_2{O}_4$ :

• A. It self ionises as $N{O}^{+},N{O}_3^{-}$
• B. Substance containing $N{O}^{+}$ is said to be acid and that containing $N{O}_3^{-}$ is said to be base
• C. $N_2{O}_4$ is paramagnetic
• D. $N{O}_2$ dimerises to $N_2{O}_4$ with disappearance in paramagnetism

Answer 1

The correct option is C $N_2{O}_4$ is paramagnetic

$N{O}_2$ has one unpaired electron and because of that it is paramagnetic but $N_2{O}_4$ is diamagnetic as it is forms by dimerizatin of $N{O}_2$.