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  • The molecule   has a linear shape. This is because ______<div class='qna-option'

The molecule  \mathrm{XeF}_2 has a linear shape. This is because ______

Option: 1

Xe has a high electronegativity, so it attracts the electrons in the bonding orbitals more than \mathrm{F} does.
 


Option: 2

The lone pairs on Xe repel each other, forcing the \mathrm{F} atoms to be as far apart as possible.
 


Option: 3

The bonding orbitals in \mathrm{XeF}_2 are degenerate, so the \mathrm{F} atoms can occupy any of the two equivalent positions.
 


Option: 4

The lone pairs on Xe are in the same orbital, so they do not repel each other.


Answers (1)

best_answer

The lone pairs on Xe repel each other, forcing the F atoms to be as far apart as possible. This is because the lone pairs are in the same p orbital, so they have the same energy and are not degenerate.

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Rishi

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