Which of the following molecules is an example of $sp$ hybridization?

Match List-$I$ with List-$II$ :

List-$I$ (Species)	List-$II$ (Hybrid Orbitals)
$(a)$ $SF_{4}$	$(i)$ $sp^{3}d^{2}$
$(b)$ $IF_{5}$	$(ii)$ $d^{2}sp^{3}$
$(c)$ $NO_{2}^{+}$	$(iii)$ $sp^{3}d$
$(d)$ $NH_{4}^{+}$	$(iv)$ $sp^{3}$
	$(v)$ $sp$

Choose the correct answer from the options given below :

The correct order regarding the electronegativity of hybrid orbitals of carbon is

The species in which the central atom uses $sp^2$ hybrid orbitals in its bonding is

The shape of ethane is

Consider the following reaction: $MX_4 + X'_2 \to MX_4X'_2$. If the atomic number of $M$ is $52$ and $X$ and $X'$ are halogens and $X'$ is more electronegative than $X$. Then choose the correct statement regarding the given information.