Indicate the coordination number and oxidation number of the metal in:

a) k3[co(cn)6]

b) na2[cdbr4]

c) [pt(en)3](clo4)4

d) [cu(en)2(c2o4)]+

e) nh4[cr(nh3)2(ncs)4-]

f) [cu(bipy)2i]i

A-6

B-4

C-4

D-6

E-6

F-4

Explanation:

The coordination number of a metal complex refers to the number of directional (covalent) bonds to the central metal atom/ion. Bidentate ligands may attach to the central metal/ion via more than one atom. This is known as chelation.

explanation:

i think option no d is the correct answer

the answer is 1 i believe