Cu in [Cu(CN)4]2- and [Cu(NH3)4]2+ has d9 electron configuration ,so the geometry should be tetrahedral but...

Cu in [Cu(CN)4]2- and [Cu(NH3)4]2+ has d9 electron configuration ,so the geometry should be tetrahedral but the experiment Show that these two ions have square planar geometry.Please explain this statement.

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queen_honey_blossom answered 1 year ago

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