1.

The electronic configuration of the `Mn^(4+)` ion is -A. `3d^(4)4s^(0)`B. `3d^(2)4s^(1)`C. `3d^(1)4s^(2)`D. `3d^(3)4s^(0)`

Answer» Correct Answer - D
`._(25)Mn=1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),3d^(5),4s^(2)`
`Mn^(+4)=1s^(2),2s^(2),2p^(6),3s^(2)3p^(6)3d^(3),4s^(0)`


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