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cu 2+ ion blue clour but cu o black colour why explain electronic confiquration based

cu2+ ion blue clour but cuo black colour why explain electronic confiquration based

Grade:12th pass

1 Answers

SAI SARDAR
1700 Points
5 years ago
Dear Kumaresan,
                    The molecules are exhibit the colour due to presence of unpaired elctrons or vacant orbitals.In Cu2+ there are vacant orbital so it shows blue colour.But in CuO E.N of O is dominating the positive charge on Cu.Thank you.

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