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Shape and Geometry Using VSEPR

Which of the ...

Question

Which of the following species is non-linear?

A

I C l_{2}^{-}

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B

I_{3}^{-}

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C

N_{3}^{-}

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D

C l O_{2}^{-}

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Solution

The correct option is D $C l O_{2}^{-}$
According to the VSEPR theory, the hybridization and shape of the following species are:
ICl₂⁻ is sp³d hybridized with 2 sigma bond pairs and 3 lone pairs on the central atom. Hence, its shape is linear due to the presence of 3 lone pairs.

I₃⁻ is sp³d hybridized with 2 sigma bond pairs and 3 lone pairs on the central atom. Hence, its shape is linear due to the presence of 3 lone pairs.

N₃⁻ (azide ion) is sphybridized with 2 sigma bond pairs and no lone pairs on the central atom. Hence, its shape is linear.

ClO₂⁻ is sp³ hybridized with 2 sigma bond pairs and 2 lone pairs on the central atom. Hence, its shape is bent due to the presence of 2 lone pairs.

Hence, option D is correct.

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Similar questions

Q. Consider the following molecules/ions:

S O_{2}, C O_{2}, N_{2} O, O F_{2}, {I C l_{2}}^{-}, {I_{3}}^{-}, N O_{2}, {N O_{2}}^{-}, {N O_{2}}^{+}, {B F_{2}}^{-}, B e C l_{2}, {N_{3}}^{-}, H C N .

Among the above, the number of molecules/ions which are linear is:

N_{2} O

S O_{2}

I_{3}^{+}

I_{3}^{-}

, the linear species are

N_{2} O

I_{3}^{-}

.

Q. Numbers of compounds having linear shape

N H_{3}, H_{2} S, C O_{2}, I_{3}^{-}, X e F_{2}, B e C l_{2}, I C l_{2}^{+}, X e F_{4}, X e O_{4}, C_{3} O_{2}

Q. Among the triatomic melecules/ions,

B e C l_{2}, N_{3}^{-}, N_{2} O, N O_{2}^{+}, O_{3}, S C l_{2}, I C l_{2}^{-}, I_{3}^{-}

X e F_{2}

, the total number of linear molecules(s)/ion(s) where the hybrization of the central atom does not have contribution from the d-orbital(s) is
[Atomic number :

S = 16, C l = 17, I = 53

X e = 54

Q. Among the triatomic molecules/ions,

B e C l_{2}, {N_{3}}^{-}, N_{2} O, N O_{2}^{+}, O_{3}, S C l_{2}, {I C l_{2}}^{-}, {I_{3}}^{-}

X e F_{2},

the total number of linear molecule(s)/ion(s) where the hybridization of the central atom does not have contribution from the d-orbital(s) is

[Atomic number :

S = 16, C l = 17, I = 53

X e = 54]

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