MCQ
The hybridisations of the atomic orbitals of nitrogen in $\mathrm{NO}_{2}^{-}, \mathrm{NO}^{+} _2$ and $\mathrm{NH}_{4}{ }^{+}$respectively are.
- ✓$\mathrm{sp}^{2}, \mathrm{sp}$ and $\mathrm{sp}^{3}$
- B$\mathrm{sp}, \mathrm{sp}^{2}$ and $\mathrm{sp}^{3}$
- C$\mathrm{sp}^{3}, \mathrm{sp}$ and $\mathrm{sp}^{2}$
- D$\mathrm{sp}^{3}, \mathrm{sp}^{2}$ and $\mathrm{sp}$
