The sum of the number of lone pairs of electrons present on each central atom in the following species is
$[T e B r_{6}]^{2 -}, [B r F_{2}]^{+}, S N F_{3}$ and $[X e F_{3}]^{-}$
(Atomic numbers: $N = 7, F = 9, S = 16, B r = 35, T e = 52, X e = 54$ )

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Solution

Species No. of lone pairs on central atom

$[T e B r_{6}]^{2 -}$ 1

$[B r F_{2}]^{+}$ 2

$S N F_{3}$ 0

$[X e F_{6}]^{-}$ 3

Total number of lone pairs= 1+2+0+3=6

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The sum of the number of lone pairs of electrons on each central atom in the following species is
$[T e B r_{6}]^{2 -}, [B r F_{2}]^{+}, S N F_{3}, [X e F_{3}]^{-}$
(Atomic numbers: N=7, F=9, S=16, Br=35, Te=52, Xe=54) ___

Q. The sum of the number of lone pairs of electrons on each central atom in the following species is:

{[T e {B r}_{6}]}^{2 -}

{[B r F_{2}]}^{+}

S N F_{3}

, and

{[X e F_{3}]}^{-}

[Atomic numbers:

N = 7

F = 9

S = 16

B r = 35

T e = 52

X e = 54

]

Q. Which of the following species has the maximum number of lone pair of electrons on the central atom?

Q. Which species has the maximum number of lone pair of electrons on the central atom?

Q. In which of the following species, each atom carries same number of lone pair electrons on it?

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Species	No. of lone pairs on central atom
$[T e B r_{6}]^{2 -}$	1
$[B r F_{2}]^{+}$	2
$S N F_{3}$	0
$[X e F_{6}]^{-}$	3

The sum of the number of lone pairs of electrons present on each central atom in the following species is [TeBr6]2−, [BrF2]+, SNF3 and [XeF3]− (Atomic numbers: N=7, F=9, S=16, Br=35, Te=52, Xe=54)

Species No. of lone pairs on central atom [TeBr6]2− 1 [BrF2]+ 2 SNF3 0 [XeF6]− 3 Total number of lone pairs= 1+2+0+3=6

The sum of the number of lone pairs of electrons present on each central atom in the following species is
$[T e B r_{6}]^{2 -}, [B r F_{2}]^{+}, S N F_{3}$ and $[X e F_{3}]^{-}$
(Atomic numbers: $N = 7, F = 9, S = 16, B r = 35, T e = 52, X e = 54$ )

Species No. of lone pairs on central atom

$[T e B r_{6}]^{2 -}$ 1

$[B r F_{2}]^{+}$ 2

$S N F_{3}$ 0

$[X e F_{6}]^{-}$ 3

Total number of lone pairs= 1+2+0+3=6