Which of the following inert gases participates in chemical reactions?

The shapes/structures of $[XeF_5]^-$ and $XeO_3F_2$ respectively,are:

Noble gases do not react with other elements because

$Xenon$ reacts best with

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

$XeF_6$ on partial hydrolysis gives '$X$' and $HF$. The shape of '$X$' is