${\mathrm{PCl}}_5$ is well known but ${\mathrm{NCl}}_5$ is not.Because,

Given below are two statements.

Statement I: The presence of weaker $\mathrm{\pi }$-bonds make alkenes less stable than alkanes

Statement II: The strength of the double bond is greater than that of carbon-carbon single bond.

In the light of the above statements, choose the correct answer from the options : given below.

Bonding in which of the following diatomic molecule(s) become(s) stronger, on the basis of $\mathrm{MO}$ Theory, by removal of an electron?

(A) $\mathrm{NO}$

(B) ${\mathrm{N}}_2$

(C) ${\mathrm{O}}_2$

(D) ${\mathrm{C}}_2$

(E) ${\mathrm{B}}_2$

Choose the most appropriate answer from the options given below :

How many of the following molecules are with non-zero net dipole moment,

Based upon VSEPR theory, match the shape (geometry) of the molecules in List-I with the molecules in List - II and select the most appropriate option.