1.

In which of the following pairs, the two species are isostructural ?

Answer»

`BrO_(3)^(-) and XeO_(3)`
`SF_(4) and XeF_(4)`
`SO_(3)^(2-) and NO_(3)^(-)`
`BF_(3) and NF_(3)`

Solution :`BrO_(3)^(-) and XeO_(3)` are both pyramidal. All OTHERS have DIFFERENT geometries. For example, `SF_(4)` is trigonal bipyramidal and `XeF_(4)` is square PLANAR , `SO_(3)^(2-)` is pyramidal while `NO_(3)^(-)` is trigonal planar , `BF_(3)` is trigonal planar and `NF_(3)` is pyramidal.


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