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Which of the following pairs of ions are...

Which of the following pairs of ions are isoelectronic and isostructural ?

A

`CO_(3)^(2-) , NO_(3)^(-)`

B

`CIO_(3)^(-) , CO_(3)^(2-)`

C

`SO_(3)^(2-), NO_(3)^(-)`

D

`CIO_(3)^(-), SO_(3)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A, D
In `CO_(3)^(2-)` , no. of electrons =` 6 + 3 xx 8 + 2 = 32 `
Shape = trigonal planar
In `NO_(3)^(-)`, no . of electrons = ` 7 + 3 xx 8 + 1 = 32`
Shape = trigonal planer
In `SO_(3)^(2-) `, no of electrons = ` 16 + 3 xx 8 + 2 = 42 `
Shape = pyramidal
In `CIO_(3)^(-)`, no. of electrons ` 17 + 3 xx 8 + 1 = 42`
Shape = pyramidal
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