Chapter 22.10, Problem 22.3P

Interpretation Introduction

Interpretation:

The bonding in the complex ion ${\left[\text{Co}{\left({\text{NH}}_{\text{3}}\right)}_{\text{5}}\text{Cl}\right]}^{2+}$ should be explained.

Concept Introduction:

The important postulates of Werner’s theory are as follows:

There are two types of valances shown by the central metal atom in the coordination compound that is primary and secondary valency. Oxidation state is related to the primary valency and coordination number to the secondary valency. For every metal atom, the number of secondary valences is fixed thus, the coordination number is fixed. The metal atom satisfies the primary as well as the secondary valances. Primary valency is satisfied by the negative ion and secondary by positive and neutral molecules.