Potassium ferrocyanide is a

Explain with two examples each of the following: coordination entity,ligand,coordination number,coordination polyhedron,homoleptic and heteroleptic.

In a complex compound, the central metal ion acts as a:

The coordination number of chromium in $K[Cr(H_2O)_2(C_2O_4)_2]$ is

$3$ moles of a metal complex with the formula $Co(en)_2 Cl_3$ gives $3$ moles of silver chloride on treatment with an excess of silver nitrate. The secondary valency of $Co$ in the complex is $.....$ (Round off to the nearest integer).

Which of the following molecules cannot act as a bidentate ligand?