Coordination compounds: Coordination chemistry is a branch of chemistry

Coordination chemistry is a branch of chemistry focused on the study of coordination compounds , also known as coordination complexes. These compounds consist of a central metal atom or ion bonded to surrounding molecules or ions, termed ligands, through coordinate covalent bonds. EDTA is used in the treatment of lead poisoning. Some coordination compounds of platinum effectively inhibit the growth of tumours. Examples are: ds-platin and related compounds . (iii) Coordination compounds find use in many qualitative and quantitative chemical analysis. Learn about the postulates of Werner's theory of coordination compounds , the terms and concepts related to them, and the rules of nomenclature and isomerism. Explore the applications and examples of coordination compounds in chemistry and biology. The coordination compounds formed by the transition elements are coloured due to the presence of unpaired electrons that absorb light in their electronic transitions. For example, the complexes containing Iron (II) can exhibit green and pale green colours, but the coordination compounds containing iron (III) have a brown or yellowish-brown colour. When the coordination centre is a metal, the corresponding coordination complexes have a magnetic nature due to the presence of unpaired electrons ...