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

Question

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

SAI SARDAR · Answer

Dear Kumaresan, The molecules are exhibit the colour due to presence of unpaired elctrons or vacant orbitals.In Cu 2+ 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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cu 2+ ion blue clour but cu o black colour why explain electronic confiquration based

cu^{2+ ion blue clour but cu_{o black colour why explain electronic confiquration based}}

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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

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cu^{2+ ion blue clour but cu_{o black colour why explain electronic confiquration based}}