Which noble gas is most soluble in water?

List the uses of Neon and argon gases.

Assertion $(A)$: The boiling points of noble gases increase from $He$ to $Xe$.
Reason $(R)$: The interatomic van der Waals' attractive forces increase from $He$ to $Xe$.
The correct answer is:

Which one of the following noble gases is not found in the atmosphere?

The hybridisation of $Xe$ in $XeO_3$ is

Complete hydrolysis of $XeF_6$ gives $HF$ along with compound $X$. The hybridisation in $X$ is