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

Options

A. `ClO_(3)^(-),SO_(3)^(2-)`
B. `CO_(3)^(2-),NO_(3)^(-)`
C. `ClO_(3)^(-),CO_(3)^(2-)`
D. `SO_(3)^(2-),CO_(3)^(2-)`

Answer

B

Explanation

Both `CO_(3)^(2-)` and `NO_(3)^(-)` have total 32 electron and both have triangular planar shape.