The pair of ions having same electronic configuration is__________.

Options

A. `Cr^(3+),Fe^(3+)`
B. `Fe^(3+),Mn^(2+)`
C. `Fe^(3+),Co^(3+)`
D. `Sc^(3+),Cr^(3+)`

Answer

B

Explanation

Thus, `Fe^(3+)andMn^(2+)` have the same electronic configuration.