Which of the following pairs of species have similar shapes?

1.	PCl3, NH3	2.	CF4, SF4
3.	PbCl2, CO2	4.	PF5 , IF5

Which of the following species deviates from the octet rule?

1. $C{O}_3^{2-}$

2. $H_{2}S{O}_3$

3. $PC{l}_3$

4. $O_3$

 A bent T-shape molecule among the following is:

1. \(\mathrm{ICl}^-_4\)
2. \(\mathrm{PCl}_3\)
3. \(\mathrm{BrF}_3\)
4. \(\mathrm{I}^-_3\)

Which of the following is a diamagnetic species?

1. ${\mathrm{O}}_2$

2. ${\mathrm{O}}_2^{2-}$

3. ${\mathrm{O}}_2^{+}$

4. ${\mathrm{O}}_2^{-}$

A diatomic molecule, among the following species, that only has $\mathrm{\pi }$ bonds according to the Molecular Orbital Theory (MOT) is:

Which of the following species has a linear shape?

1. $N{O}_2^{-}$

2. $S{O}_2$

3. $N{O}_2^{+}$

4. $O_3$

In which of the following molecules are all the bonds not equal?

In which of the following molecules/ions BF₃, ${\mathrm{NO}}_2^{-}$,  ${\mathrm{NH}}_2^{-, }$and H₂O, the central atom is sp² hybridized?

1. $N{O}_2^{-}$ $and$ $N{H}_2^{-}$

2. $N{H}_2^{-}$ $and$ $H_{2}O$

3. $N{O}_2^{-}$ $and$ $H_{2}O$

4. $B{F}_3$ $and$ $N{O}_2^{-}$

A molecule/ion among the following species that does not exist under normal conditions is:

1. \(Be^+_2\)
2. \(Be_2\)
3. \(B_2\)
4. \(Li_2\)

Which of the following has the minimum bond length?

1.  ${\mathrm{O}}_2^{-}$

2.  ${\mathrm{O}}_2^{2-}$

3.  ${\mathrm{O}}_2$

4.  ${\mathrm{O}}_2^{+}$