Which of the following molecules can show Lewis acidity?
$(I)$ $CO_2$ $(II)$ $Br_2$ $(III)$ $SnCl_2$ $(IV)$ $HF$ $(V)$ $NMe_3$

Which of the following order is incorrect?

Which of the following molecules or ions is not possible?

For the ozone molecule,consider the following statements:
$(A)$ It is a linear molecule with a bond angle of $180^{\circ}$.
$(B)$ It is an angular molecule with a bond angle of $117^{\circ}$.
$(C)$ The bond lengths of both $O-O$ bonds are the same.
$(D)$ With respect to oxygen,it is thermodynamically more stable.
The correct options are:

Choose the incorrect order of the given properties.

Identify the correct statements from the following.
$(I)$ $SnCl_2$ is ionic,but $SnCl_4$ is covalent in nature.
$(II)$ All linear diatomic molecules have zero dipole moment.
$(III)$ Both $NO$ and $O_2$ are paramagnetic.