In XeF2, XeF4, and XeF6, the number of l...

In `XeF_2`, `XeF_4`, and `XeF_6`, the number of lone pairs on `Xe` is, respectively,

A

`4,1,2`

B

`1,2,3`

C

`2,3,1`

D

`3,2,1`

Text Solution

Verified by Experts

The correct Answer is:

D

The central atom in `Xe` has 8 valence electrons. In `XeF_2`, two electrons are used up to form two bonds with F atoms. This leaves 6 electrons forming 3 lone pairs. In `XeF_4`, four valence `e^(-)s` are used up for bonding leaving out four valence electrons to form two lone pairs. In `XeF_6`, six valence electrons are used up for bonding, leaving out two nonbonding electrons which form one lone pair.

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Knowledge Check

In XeF_(2),XeF_(4) and XeF_(6) the number of lone pair of Xe is ______ respectively.

A

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B

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C

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D

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In XeF_(2),XeF_(4) and XeF_(6)(g) the number of lone pairs on Xe respectively are :

A

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B

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C

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D

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A

2,3,1

B

1,2,3

C

4,1,2

D

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