Indicicate the coordinaiton number of the metal and oxidation number of the metal as well as the number and type of each donor atom of the ligands for the folloing complexes:
Na2[CdBr4]
[Pt(en)3](ClO4)4
[Co(en)2(C2O4)] +
Also, Likely coordination number of the metal in:
Na2[Co(EDTA)Br]