Question

Xenon hexafluoride reacts with silica. How many orbitals are involved in the hybridisation of the xenon compound formed?

Answer 1

$2Xe{F}_6+Si{O}_2\to 2XeO{F}_4+Si{F}_4$

$XeO{F}_4$ has $s{p}^3{d}^2$ hybridisation. Hence a total of 6 orbitals are involved in hybridisation.