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JEE Advanced levelSingle correct optionDifficulty 3 of 3cb029

Among $XeF X_{2}$ , $XeF X_{4}$ , $ICl X_{4} X^{-}$ , $I X_{3} X^{-}$ , $BrF X_{5}$ , $SF X_{4}$ and $ClF X_{3}$ , the number of species in which the central atom carries at least two lone pairs is

A $3$
B $4$
C $5$
D $6$

Answer: C

Lone pairs on the central atom:

XeF X_{2}

3,

XeF X_{4}

2,

ICl X_{4} X^{-}

2,

I X_{3} X^{-}

3,

BrF X_{5}

1,

SF X_{4}

1,

ClF X_{3}

2. Five species have two or more.

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