Question

In ${N{O}_3}^{-}$ ion, number of bond pair and lone pair of electrons on nitrogen atom are :

• A. $2,2$
• B. $3,2$
• C. $1,3$
• D. $4,0$

Answer 1

The correct option is D $4,0$

According to the VSEPR theory, $N{O}_3^{-}$ is sp² hybridized with 3 sigma bond pairs, 1 pi bond pair and no lone pair on the central atom as shown in the figure. Its shape is trigonal planar.

Hence, option D is correct.