question_answer 33)

Give the oxidation state, d-orbital occupation and coordination number of central metal ion in the following complexes. (a) K3[Co(C­2O4)3]              (b) (NH4)2[CoF4] (c) cis – [Cr(en)2Cl2] CI   (d) [Mn(H2O)6]SO4

Answer:

(a) OS = + 3, CN = 6, d-orbital occupation (b) OS = + 2, CN = 4, 3d7, (c) OS = + 3, CN = 6,3d3 (d) OS = + 2, CN = 6, 3d5