Chemistry, asked by mrsinghave947, 9 months ago

Why the electronic configuration of Mn2+ is 3d5 and not 3d2 4s2?

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Answered by LegendaryPranav

Answer:

Electronic configuration of Mn2+ is [Ar]18 3d5. Electronic configuration of Fe2+ is [Ar]18 3d6. It is known that half-filled and fully-filled orbitals are more stable. Therefore, Mn in (+2) state has a stable d5 configuration.

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