1.

The ground state electronic configuration ofFe^(3+) (g)ion is:

Answer»

`[Ar]3D^(3)4S^(2)`
`[Ar]3d^(6)4s^(2)`
`[Ar]3d^(5)`
`[Ar]3d^(6)`

Solution :`[Ar]3d^(5)`


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