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Hybridisation Involving d Orbitals

The number of...

Question

The number of lone pairs of electrons on xenon atom in $X e F_{4}$ molecule is:

A

4

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B

3

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C

2

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D

zero

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Solution

The correct option is A 2
$X e F_{4} = 4 + \frac{8 - 4}{2}$
$= 4 + 2$
So Xe has 8 electrons in its outermost shell available for bond formation. Out of which 4 are participating in bond formaitonn.
Thus, bond pairs $= 4$
lone pairs $= 2$

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