Question

cu2+ ions are coloured and paramagnetic while zn2+ ions are diamagnetic. explain
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Answer 1

Answer:

Cu2+ has an unpaired electron (its configuration is [Ar] 3d9), whereas Zn2+ has all paired electrons (configuration [Ar] 3d10). Pairing electrons leads to diamagnetism, and unpaired electrons leads to paramagnetism

Explanation:

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Answer 2

Answer:

cu2+ has unpaired electron(it's configuration is [Ar]3d9)whereas zn has no unpaired electrons all are paired(it's configuration [Ar]3d10).Paired electrons leads to diamagnetism and unpaired leads to paramagnetism