Molecules of a noble gas do not possess vibrational energy because a noble gas

Discuss physical properties and chemical properties of group $18$ elements.

The oxidation number of xenon in $XeOF_2$ is

Assertion $(A)$: Noble gases have very low boiling points.
Reason $(R)$: All noble gases have general electronic configuration of $ns^2 np^6$ (except $He$).

In clathrates of $Xe$ with water,what is the type of bonding between $Xe$ and water molecules?

Assertion $(A)$: $Xe$ atoms in $XeF_2$ are $d^2 s p^3$ hybridised.
Reason $(R)$: $XeF_2$ molecule does not follow the octet rule.
Which of the following is correct?