A.MnO42- B.Mn2+ C.Mn D.MnO2
A.Ag+ B.Pb2+ C.Hg22+ D.Hg2+
A、[Pt(NH3)(py)]Cl2 B、2[PtCl(NH3)(py)] C、[Pt(NH3)(py)Cl2] D、[PtCl(NH3)(py)]Cl