Unit - 9 - NCERT

In the previous Unit we learnt that the transition metalsform a large number of complex compounds in whichthe metal atoms are bound to a number of anions orneutral molecules. In modern terminology suchcompounds are called coordination compounds. Thechemistry of coordination compounds is an importantand challenging area of modern inorganic concepts of chemical bonding and molecularstructure have provided insights into the functioning ofvital components of biological systems. Chlorophyll,haemoglobin and vitamin B12 are coordinationcompounds of magnesium, iron and cobalt of metallurgical processes, industrial catalystsand analytical reagents involve the use of coordinationcompounds. coordination compounds also find manyapplications in electroplating, textile dyeing andmedicinal studying this Unit, you will beable to appreciate the postulates ofWerner s theory of coordinationcompounds; know the meaning of the terms: coordination entity, central atom/ion, ligand, coordination number, coordination sphere, coordinationpolyhedron, oxidation number,homoleptic and heteroleptic; learn the rules of nomenclatureof coordination compounds; write the formulas and namesof mononuclear coordinationcompounds; define different types of isomerismin coordination compounds; understand the nature of bondingin coordination compounds interm

Coordination Compounds are the backbone of modern inorganic and bio–inorganic chemistry and chemical industry. CoorCoordinationdination Alfred Werner (1866-1919), a Swiss chemist was the first to formulate his ideas about the structures of coordination compounds. He prepared and characterised a large number of coordination compounds and

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  Compound, Coordination, Inorganic, Coordination compounds

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