Course Contents

Theory Metallic bonding. Various theories about metallic bond, Conductors, Semi conductors and insulators. Bonding in electron deficient compounds, Hydrogen Bonding. Chemistry of Coordination compounds. .Introduction to d-block elements, coordination complexes, nomenclature, Werner’s theory. Application of VBT and MOT to the formation of complexes. Crystal Field theory and Ligand Field theory. Distortion in complexes and John Teller Theorem, color of metal complexes, magnetic properties. Stability of complexes, application of coordination compounds in industry and medicine. Metallic Carbonyls and Nitrosyls. Structure of CO and NO on the basis of MOT and VBT. Justification of behavior as pi acceptor ligand, Classification of Carbonyls. General methods of preparation, General properties and reactions of metal carbonyls. Structure of mononuclear and poly nuclear carbonyls on the basis of VBT, application of E.A.N RULE. Evaluation of bonding and Chemistry of carbonyls of Iron, Manganese, cobalt etc. Structure on the basis of spectroscopy, Chemistry of Nickel carbonyl. Bonding in Nitrosyls, Classification of nitrosyls. Structure and general chemistry. Practical Chromatographic separation of anions. (SO3-2, S2O3-2, SO4-2 ) Chromatographic separation of anions. (Cl-1, Br-1, I-1) Chromatographic separation of anions. (NO2-1, NO3-1) Preparation and purification of metal complex (at least four) from available salts and ligands. Volumetric Analysis: Acid base titrations involving boric acid Acid base titrations involving boric acid and borax Exercises of the above experiments Iodometric titrations using KIO3. Determination of amount of sodium arsenate, Hydrogen peroxide, available chlorine in hypochlorite

Course Synopsis

The course consists of study of nature of bonding in metal complexes. Several theories including VBT, MOT, CFT will be studied in detail. Magnetic properties and color of the complexes will be explained. Metal carbonyls and metal nitrosyls will be studied in detail. EAN rule will be applied to these structures.

Course Learning Outcomes

At the end of this course, students would have understood the structure of metal complexes, their physical and chemical properties with respect to basic theories of bonding. They would have grasped the bonding in metal carbonyls, pi back bonding and nature of metal ligand bond.