For each of the following polydentate ligands, determine (i) the maximum number of coordination sites that the

Question:

For each of the following polydentate ligands, determine (i) the maximum number of coordination sites that the ligand can occupy on a single metal ion and (ii) the number and type of donor atoms in the ligand:
(a) Ethylenediamine (en),
(b) Bipyridine (bipy),
(c) The oxalate anion (C2O4 2-)
(d) The 2- ion of the porphine molecule (Figure 23.13);
(e) [EDATA]4-