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Chemistry
Number of lone pairs of electrons on Xe atoms in XeF2, XeF4 and XeF6 molecules are respectively
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Q. Number of lone pairs of electrons on Xe atoms in $XeF_2, XeF_4$ and $XeF_6$ molecules are respectively
AIEEE
AIEEE 2002
The p-Block Elements - Part2
A
3, 2 and 1
85%
B
4, 3 and 2
2%
C
2, 3 and 1
7%
D
3, 2 and 0
6%
Solution:
No. of electrons around Xe in XeF2 = 8 + 2 = 10
Electron pairs =10/2 = 5
Bond pairs = 2
Lone pairs = 5-2 = 3
Similarly, lone pairs in $XeF_4$ = 2
and lone pair in $XeF_6$ = 1