Courses: 3rd Year 1st Sem., B. Sc. Chemistry
CHM311: Coordination Chemistry(2 credit units)
Definition, Recognition and application of co-ordination compounds; Nomenclature, co-ordination formula and isomerism in complexes; Stereochemistry of complex molecules; Theories of structure and bonding; Physical methods of structural investigation; Magnetic properties; Absorption and vibrational spectra; The spectrochemical series; John – Teller distortions; Stabilization of unusual oxidation states by complex formation; Thermodynamic stability of complex compounds, the stability constant, the chelate effect; Preparation, characterization and reactions of complexes; Kinetics and mechanisms of substitution reactions of complexes.
CHM321: Electrochemistry, Extraction and Protection of Metals(3 credit units)
Electrolytic conduction; Transport numbers and ionic mobility; Debye-Huckel theory of electrolytic conduction; Concept of activity of ions in solution; Simple emf measurements and applications; Electrical double layer; Charge transfer processes; Potential at zero charge; Polarizable and non-polarizable interfaces; Mass transport and concentration polarization; Diffusion controlled processes; Fick’ s laws; Levic equation; Polarography; Galvanic cells; Electrodes and electrode potentials; Pretreatment of metal ores; Thermodynamics of metal reduction; Survey of industrial minerals; Mineral classification processes; Beneficiation of mineral ores with emphasis on froth floatation; Detailed extraction and refining processes for selected metals, highlighting pryometallurgy, hydrometallurgy and electrometallurgic principles; Types of corrosion processes; Evans diagrams and Pourbaix diagrams; Effects of variables on rate of corrosion; Corrosion prevention and protection of metals: anodic, cathodic, surface treatment and coating; Fuel cells.
CHM341: Non – Aqueous Solvents(2 credit units)
Classification and general characteristics of solvents; Solute- solvent interaction; Protonic solvents; Oxyhalide solvents; Liquids; Dinitrogen tetroxide; Sulphur dioxide etc.
CHM361: Third Year Practical Chemistry(1 credit units)
Experiments in chemical thermodynamics, colloid chemistry, metal extraction and mineral processing
CHM371: Natural Products Chemistry(2 credit units)
Chemistry and synthesis of pyrols, thiophen, furans, pyridines, terpenoids, carotenoids, steroids, lipids, alkaloids, antibiotics, flavonoids, prostaglandins and chlorophylls; Other natural products of pharmaceutical importance; General methods of isolation, separation, purification and structural determination of the natural member and their biogenesis.
CHM391: Instrumental Methods of Analysis(2 credit units)
Spectroscopic/spectrophotometric techniques in chemical analysis including UV-Visible, X-rays, flame and fluorescence methods; NMR and ESR; Refractometry and interferometry; Polarimetry; Polarography; Potentiometry; Calorimetry.
ICH341: Water Treatment and Analysis(2 credit units)
Sources of natural water and standard specifications for quality of water for different applications; Physical, chemical and biological characteristics of water and wastewater; Chemical processes for water treatment; Domestic wastewater treatment; Methods of water treatment; Sludge: treatment and disposal; Water chemistry and analysis: pH, acidity and alkalinity, dissolved oxygen and oxygen demand, total organic carbon, metals, dissolved salts, trace organics, PAHs; Radioactivity and radionuclides in water; Water survey and sampling.
ICH351: Industrial Chemical Processes(2 credit units)
Production of primary and intermediate products; Synthesis of industrial raw materials of organic origin; Synthesis of industrial organic chemicals: polymers, adhesives, dyes, explosives, pesticides (herbicides, insecticides and fungicides), flavouring agents and pharmaceutical products; Fermentation process; Chemical processing of minerals
CHM301: Organic Reaction Mechanisms(2 credit units)
Electrophilic and Nucleophilic substitution reactions (SN1 , SN2 , E1 and E2 mechanisms. Addition reactions (Nucleophilic addition reaction and Electrophilic addition reactions), carbanions I (Aldols and Claisen condensation); Carbanions II (Malonic ester and acetoacetic ester synthesis), carbocations and carbenes; ?, ? unsaturated carbonyl, Aromatic nitrogen compounds, cannizarro reactions.
CHM331: Stereochemistry and Conformational Analysis(2 credit units)
Conformation of alkanes; Barrier to interconversion of stereoisomers; Stereselectivity and stereospecificity; Molecular dissymmetry: allenes, spiro-compounds and diphenyls; Conformations of cyclic molecules; basic principles of conformational analysis; Physical methods in conformational analysis.
CHM351: Applied surface and Colloid Chemistry(2 credit units)
Definition of colloid and history of colloid development; Some general principles relating to surfaces; Electrical potentials; Adsorptive forces; Solid-gas interface and solid-liquid interface; Types of colloids; Polymers; Proteins; Gas association colloids; Detergency
CHM381: Carbohydrate Chemistry(2 credit units)
Definition, structure, nomenclature, physical and chemical properties; Sugars; General reactions; Preparations, reactions and mechanisms; Configuration and stereochemistry; Epimers, mutarotation, anomers. Conformations of carbohydrates; Relative reactivities of equatorial and axial substitituent functional groups; The anomeric (Lemieux) effect.
ICH331: Colour Chemistry and Technology(2 credit units)
Colour and chemical constitution; Properties of dyes and pigments; Classification of dyes and fibres; Azo dyes; Mordant dyes; Vat dyes; Pigments; Relationship between structure and dyeing properties; Principles of dyeing processes; Technical terms used in dyeing; The chemistry and theory of dyeing and dyeing mechanisms; Choice of dyes; General structure and properties in relation to use; Chemistry and application of reactive dyes; Preparation and dyeing of natural and synthetic fibres; Colour fastness properties; Dyeing machineries; Printing; Colouring matters for food, drugs, and cosmetics; Dyes used in paper industry and colour photography; Preparation, colouration and finishing of leather products; Introduction to quality control techniques in the dye and colouration industry
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