The species, having bond angles of 120° is : 

1. PH₃ 

2. ClF₃

3. NCl₃

4. BCl₃

In which of the following molecules, all atoms are coplanar?

1.		2.
3.		4.

Which of the following pairs are isoelectronic and isostructural?

1. ${\mathrm{CO}}_3^{2-},$ ${\mathrm{NO}}_3^{-}$

2. ${\mathrm{ClO}}_3^{-},$ ${\mathrm{CO}}_3^{2-}$

3. ${\mathrm{SO}}_3^{2-},$ ${\mathrm{NO}}_3^{-}$

4. ${\mathrm{ClO}}_2^{-},$ ${\mathrm{SO}}_3^{2-}$

The hybridisations of atomic orbitals of nitrogen in \(\mathrm{NO}^{+}\), \(N O_3^{-}\) and NH₃ respectively are:

1. $\mathrm{sp},$ ${\mathrm{sp}}^3$ $\mathrm{and}$ ${\mathrm{sp}}^2$

2. ${\mathrm{sp}}^2,$ ${\mathrm{sp}}^3$ $\mathrm{and}$ $\mathrm{sp}$

3. $\mathrm{sp},$ ${\mathrm{sp}}^2$ $\mathrm{and}$ ${\mathrm{sp}}^3$

4. ${\mathrm{sp}}^2,$ $\mathrm{sp}$ $\mathrm{and}$ ${\mathrm{sp}}^3$

In which orbital is the pair of electrons located in the provided carbanion, CH₃C≡C^– ?

1. sp³
2. sp²
3. sp
4. 2p

Find the correct geometry and hybridization of XeF₄.

1.  Octahedral, sp³d²

2.  Trigonal bipyramidal, sp³d³

3.  Planar triangle, sp³d³

4.  Square planar, sp³d²

In which of the following molecules, all atoms are coplanar ?

The pair of electrons in the given carbanion, CH₃C≡C^-, is present in which of the following orbitals?