Which of the following is not correct ?

Options

A. `XeO_(3)` has four `sigma` and four `pi`-bonds
B. The hybridization of Xe in `XeF_(4)` is `sp^(3)d^(2)`
C. Among the noble gases the occurrence (percent by weight) of argon is highest in air
D. Liquid helium is used in cryogenic liquids.

Answer

A

Explanation

`XeO_(3)` has three `sigma` and three `pi`-bonds. There is one bone pair of electrons on the central Xe atom.