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JEE Main levelSingle correct optionDifficulty 2 of 3ph135

The numbers of bond pairs and lone pairs on Xe in $XeF X_{7} X^{-}$ are respectively

A7 and 1
B6 and 2
C7 and 0
D8 and 0

Answer: A

Valence electrons:

8 + 7 + 1 = 16

, i.e. 8 pairs around Xe. Seven pairs are used in Xe-F bonds, leaving 1 lone pair.

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