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

1.	In which of the following pairs, the two species are isostructural?
Answer» `BrO_(3)^(-) ` and `XeO_(3)` `HgCI_(2) ` and `CO_(2)` `XeF_(4)` and `SF_(4)` `BF_(3)` and `NF_(3)` ANSWER :A::B

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