Out of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one -

Options

A. `(n-1)d^(8)ns^(2)`
B. `(n-1)d^(5)ns^(2)`
C. `(n-1)d^(3)ns^(2)`
D. `(n-1)d^(5)ns^(1)`

Answer

B

Explanation

The oxidation state with `(n-1)d^(5)ns^(2)` can have the maximum oxidation number of + 7.