Chapter 21, Problem 6PE

Interpretation Introduction

Interpretation:

The coordination number of the metal ion in the complex ${\left[\text{Cr}{\left({\text{C}}_2{\text{O}}_4\right)}_3\right]}^{3-}$ is to be determined.

Concept Information:

Coordination number is the number of coordinate bonds or number of ligands bonded to the metal ion.

Ligands are the molecules or ions that are bonded with a coordinate-covalent bond to a metal ion.

The structure of the complex is that the metal atom is surrounded by the ligands.

There are many ligands that have two or more donor atoms, and collectively they are referred to as polydentate ligands.