Give the oxidation state, d orbital occupation and coordination number of the central metal ion in the following complexes: (i) K3[Co(C2O4)3] (iii) (NH4)2[CoF4] (ii) cis-[CrCl2(en)2]Cl (iv) [Mn(H2O)6]SO4
(i) Oxidation state = +3. Coordination number = 6. Co(III):3d6:t2g6eg (ii) Oxidation state = +3. Coordination number = 6. Cr(III):3d3:t2g3 (iii) Oxidation state +2. Coordination number = 4 Co(II):d7:e4t23 (iv) Oxidation state = + 2. Coordination number = 6 Mn(II):d5t2g3eg2
