For the following metal complexes , provide the: (a) Oxidation states of metal ion and ligands (b) Orbital diagram for the metal cation (c) Coordination number of the metal ion (d) Geometry of the metal ion (tetrahedral, square planar or octahedral, line. [CrCl(NH_3)_5]SP_4 [CrCl_6]^3-
The coordination number for a complex is the total number of donor atoms surrounding the central atom. The overall charge on a complex is the sum of the charges of the metal and all the ligands.
Part A
What is the coordination number for each of the following complexes or compounds?
a) [Co(NH3)4Cl2]+
b) [Pb(EDTA)]2â
c) [Pt(NH3)4]2+
d) [Ag(NH3)2]NO3
Part B
What is the charge on each of the following complex ions?
a) hexaaquachromium(II), [Cr(H2O)6]?
b) tris(carbonato)aluminate(III), [Al(CO3)3]?
c) amminepentachloroplatinate(IV), [Pt(NH3)Cl5]?
Part C
What is the oxidation number of the central metal ion in each of the following complexes or compounds?