ENSH154
Organic and Inorganic Chemistry
Syllabus
- Reactive Intermediates in Organic Reaction (4 hours)
- Acidity of alpha-hydrogens, reactions involving carbanions, base-promoted and acid-catalyzed halogenation of ketones
- Aldol condensation, dehydration of aldol products, use in synthesis, cross aldol condensation
- Malonic ester synthesis, acetoacetic ester synthesis of ketones, decarboxylation of beta-keto acids and malonic acids
- Heterocyclic Compounds (4 hours)
- Sources of pyrrole, furan and thiophene, electrophilic substitution in pyrrole, saturated five-membered heterocycles
- Structure of pyridine, source of pyridine compounds, reactions of pyridine, electrophilic and nucleophilic substitution in pyridine, basicity and reduction of pyridine
- Pericyclic Reaction (5 hours)
- LCAO method, bonding and antibonding orbitals, electronic configurations of some molecules, aromatic character, the Huckel 4n+2 rule
- Electrocyclic reactions, cycloaddition reactions, sigmatropic reactions
- Coordination Chemistry (6 hours)
- Stability of octahedral and tetrahedral complexes on the basis of crystal field stabilization energy, factors affecting the magnitude of delta
- Application of crystal field theory, variation of hydrated ionic radii and hydration enthalpy/stability of complexes
- Distorted octahedral complexes
- Organometallic Compounds (4 hours)
- Preparation and properties of organolithium, organomagnesium, organocopper metallic compounds
- Alkene and alkyne complexes: hapto nomenclature, metallocenes, ferrocene
- Solvent (4 hours)
- Introduction, classification of solvents, solvent properties, role of solvent in organic reaction, properties of solvents in polymer processing
- Non aqueous solvent: liquid ammonia, liquid sulphur dioxide
- Industrial Important Compounds (4 hours)
- Synthesis of sulphuric acid, comparison of catalyst V2O5/Pt (contact process)
- Synthesis of nitric acid (Ostwald process)
- Synthesis of ammonia (Haber process)
- Chemical fertilizers, nitrogen fixation, synthetic fertilizers, essential qualities of a good fertilizer, urea, phosphate fertilizer
- Detergents, soap
- Carbohydrates and Lipids (6 hours)
- Monosaccharides: introduction, definition and classification, glucose (an aldohexose), fructose (a ketohexose), nomenclature of aldose derivatives, oxidation, osazone formation
- The Kiliani-Fischer synthesis, the Ruff degradation, conversion of an aldose into its epimer, configuration of aldoses, cyclic structure of glucose, methylation, determination of ring size
- Disaccharides: maltose, sucrose
- Polysaccharides: starch, structure of amylose and amylopectin, lipids, occurrence and composition of fats, hydrolysis of fats, unsaturated fats, phosphoglycerides, phospholipids
- Amino Acid, Proteins (4 hours)
- Proteins, structure of amino acids, amino acids as dipolar ions, isoelectric point, configuration of natural amino acids, preparation of amino acids
- Reactions of amino acids, geometry of peptides, synthesis of peptides, classification and function of protein, chymotrypsin
- Metabolites and Molecular Genetics (4 hours)
- Metabolites: definition, types of metabolites with examples
- Concept of metabolism
- Basic concept of genetics, flow of genetic information
- Gene cloning, introduction to scope of molecular genetics
Practicals
- Detection of organic compounds (identification of functional groups)
- Preparation of acetanilide from aniline
- Benzylation of aniline to prepare benzanilide
- Application of salicylic acid for the preparation of aspirin
- Preparation of phenyl-azo-beta-naphthol
- Preparation of salicylic acid from methyl salicylate
- Determination of amount of vitamin C (ascorbic acid) from commercial tablets iodometrically
- Extraction of essential oil from natural products
- Determination of zinc by EDTA complexometric titration
- Determination of calcium in chalk/toothpaste
- Determination of sodium carbonate in baking/washing soda