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Why Zn^(2+) is diamagnetic whereas Mn^(2...

Why `Zn^(2+)` is diamagnetic whereas `Mn^(2+)` is paramagnetic ?

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Electronic configuration of `Zn^(++)` is `[Ar]3d^(10)`. As there are no unpaired electrons,` Zn^(++)` is diamagnetic.
Electronic configuration of `Mn^(++)` is `[Ar] 3d^(5)`. As there are unpaired electrons, `Mn^(++)` is paramagnetic.
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