1.

In which of the following the stabiliy of two oxidation states is correctly represented?A. `Fe^(2+) gt Fe^(3+)`B. `Ti^(3+) gt Ti^(4+)`C. `Mn^(2+) gt Mn^(3+)`D. `Cu^(+) gt Cu^(2+)`

Answer» Correct Answer - C
`Mn^(2 +) (d^(5))` is more stable than `Mn^(3 +) (d^(4))` because `Mn^(2 +)` has half-filled configuration.


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