In which of the following cases, the stability of two oxidation states is correctly represented?

Options

A. `Ti^(3) gt Ti^(4+)`
B. `Mn^(2+) gt Mn^(3+)`
C. `Fe^(2+) gt Fe^(3+)`
D. `Cu^(+) gt Cu^(2+)`

Answer

B

Explanation

`Mn^(2+)(3d^5)` is more stable than `Mn^(3+) (3d^4)`