Which of the following species are hypervalent?
$1. C l O_{4}^{-}, 2. B F_{3}, 3. S O_{4}^{2 -}, 4. C O_{3}^{2 -}$

1, 2, 3

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1, 3

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3, 4

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1, 2

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Solution

The correct option is A $1, 3$
A hypervalent molecule is a molecule that contains one or more main group elements formally bearing more than eight electrons in their valence shells. So $C l O_{4}^{-}$ is hypervalent as $C l$ contains more than $8$ electron and $S O_{4}^{2 -}$ is hypervalent as $S$ contains more than $8$ electrons.

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Similar questions

1 : C l O_{4}^{-}

2 : B F_{3}

3 : S O_{4}^{2 -}

4 : C O_{3}^{2 -}

Number of hypervalent species among the following ClO−4,BF3,SO2−4,CO2−3

C l O_{4}^{-}

B F_{3}

S O_{4}^{2 -}

C O_{3}^{2 -}

1

C l O_{4}^{-}

2

B F_{3}

3

S O_{4}^{2 -}

4

C O_{3}^{2 -}

Let A = {1, 2, 3}, B = {2, 3, 4}, then which of the following is a function from A to B ?

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