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-[Cr(en)2Cl2]Cl (iv) [Mn(H2O)6]SO4

(i) K3[Co(C2O4)3] -
coordination number-6
oxidation state-+3
d orbital occupation-t2g6 eg0

(ii) (NH4)2[CoF4]
coordination number-4
oxidation state-+2
d orbital occupation-eg4t2g3

(iii)cis-[Cr(en)2Cl2]Cl
coordination number-6
oxidation state-+3
d orbital occupation-t2g3


(iv) [Mn(H2O)6]SO4
coordination number-6
oxidation state-+2
d orbital occupation-t2g3eg2