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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ph161

In which of the following does Xe have no lone pair?

A $XeO X_{4}$
B $XeO X_{3} F X_{2}$
C $XeO X_{3}$
D $XeO X_{6} X^{4 -}$

Answer: A, B, D

XeO4 uses 4 sigma bonds,

XeO X_{3} F X_{2}

uses 5, and

XeO X_{6} X^{4 -}

uses 6, which exhausts the eight valence electrons of Xe (oxidation state +8). XeO3 has Xe in +6, leaving one lone pair.

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