COORDINATION COMPOUNDS INTRODUCTION

All the transition element exhibit the characterstics properties of complex ion formation. the compound containing complex ion are called coordination compoundThese compounds are present Widely in mineral plant, animal and are known to play many important biological function. the pigment responsible for photosynthesis chlorophyll is coordination compound of magnesium.  the respiratonl  processes is  regulated by blood pigment haemoglobin which the coordination compound of iron a variety of metallurgical process,  industrial catalyst and analytical reagent in both the use of coordination compound.  Many Complex metal oxide and sulphide which constitute minerals are solid state coordination compound. 
 the development 
.in the field of coordination compound or organometallic has distributed a lot in the following ways in the development of new concept of chemical bonding and molecular structure
. in contributed to the growth of chemical industry such as metallurgy catalysis etc
  .provide insight into the structure and functioning of biological system

Thus it appears that the study of such compounds should be rewarding to all those involved with the study of chemistry.

COORDINATION COMPOUND SOME IMPORTANT TERMS

THERE are some term used in the coordination compound the terms are described below

COMPLEX ION: an electrically charged species which retain its identity in the solid as well in the solution is called complex ion

LIGANDS:   the molecular or ionic species which  gets attached to the central metal atom or ion during the formation of complex ion is called ligand.