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Explain Why CuSO(4) is paramagnetic whil...

Explain Why `CuSO_(4)` is paramagnetic while `ZnSO_(4)` is diamagnetic ?

Text Solution

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In `CuSO_(4) and ZnSO_(4)` ,t he oxidation number of copper and zinc are + 2 . The electronic configurations of `Cu^(2+) and Zn^(2+)` are
`{:(Cu^(2+) = [Ar]3d^(9)),(Zn^(2+)=[Ar]3d^(10)):}`
`Cu^(2+)` ion contains one unpaired election , whereas `Zn^(2+)` ions does not contain any unpaired electron. Therefore, `CuSO_(4)` is paramagnetic, while `ZnSO_(4)` is diamagnetic
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