Based on electron configuration, which is most likely colorless? A)[Cu(NH₃)₄]²⁺ B)[Cd(NH₃)₄]²⁺ C)[Ni(NH₃)₆]²⁺ D)[Cr(NH₃)₅Cl]²⁺ E)[Co(NH₃)₆]²⁺

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Quizplus · Accepted Answer

Cadmium typically forms colorless complexes because it has a completely filled d10 electron configuration, which does not allow for d-d transitions that would impart color.

Based on Electron Configuration, Which Is Most Likely Colorless