Which of the following chlorides shows the most covalent character?

Describe the law of Fajan's rule.

Given below are two statements:
Statement $I$: The correct order in terms of bond dissociation enthalpy is $Cl_{2} > Br_{2} > F_{2} > I_{2}$.
Statement $II$: The correct trend in the covalent character of the metal halides is $[SnCl_{4} > SnCl_{2}]$, $[PbCl_{4} > PbCl_{2}]$ and $[UF_{4} > UF_{6}]$.
In the light of the above statements, choose the correct answer from the options given below:

The correct order of the increasing ionic character is

Which of the following is in the increasing order of the ionic character?

The compound with more covalent character in the following is