GOVERNMENT COLLEGE (AUTONOMOUS), RAJAMAHENDRAVARAM DEPARTMENT OF CHEMISTRY New CBCS Syllabus for B.Sc. III Year Effective from 2018 2019 onwards Paper V Semester V Syllabus Applied Inorganic Chemistry and Organic Chemistry Course Code: CHE105 MODULE I (INORGANIC CHEMISTRY) 1. Coordination Chemistry: 10 Hrs. IUPAC Nomenclature of Co-ordination Compounds : Bonding Theories of Co-ordination Compounds : Review of Werner s Theory and Sidgwick s Concept of Coordination. Valence Bond Theory Geometries of any two complexes with coordination numbers 4 (tetrahedral and Square planar) and 6 (Octahederal) limitations of Valence Bond Theory. Crystal Field Theory Splitting of d-orbitals in Octahedral, tetrahedral and square planar complexes (with one example each) low spin and high spin complexes factors affecting crystal field splitting energy merits and demerits of crystal field theory. Isomerism in coordination compounds: Structural isomerism and stereo Isomerism (with two examples each) Stereochemistry of complexes with 4 and 6 coordination numbers (with two examples each). 2. Stability of Metal Complexes: 4 Hrs. Thermodynamic Stability and Kinetic Stability. Any five factors affecting the stability of metal complex. Chelate Effect. Determination of Composition of complex by:job s Method & Mole ratio method. Additional Input:Any four factors influencing the complex formation.
3. Spectral and Magnetic Properties of Metal Complexes : 4 Hrs. Electronic absorption spectrum of [Ti (H2O)6] 3+ ion. Types of magnetic behavior, spin only formula, calculation of magnetic moments (taking any four examples), experimental determination of magnetic susceptibility Gouy method. Additional Input : Any four applications of complex compounds. 4. Reactivity of Metal Complexes 4 Hrs. Labile and inert complexes (with two examples each), Ligand substitution reactions SN1 and SN2, Substitution reactions of Square Planar Complexes (with two examples), Trans effect and applications of trans effect. 5. Hard and Soft Acids Bases (HSAB) 4 Hrs. Classification of hard and soft acids and bases. Pearson s concept of hardness and softness. Two applications of HSAB Principles Stability of compounds / complexes, predicting the feasibility of reaction. Additional Input : Acid base strength of HSAB. 6. Bioinorganic Chemistry 3 Hrs. Essential elements definition & classification. Any four biological functions of Na, K, Ca, Fe, Co, and Chloride (Cl). Metalloporphyrins Hemoglobin, structure and function, Chlorophyll it s role in photosynthesis. Additional Input : Cyanocobalamine (Vitamin B12) functions.
MODULE II (ORGANIC CHEMISTRY) (1). NITROGEN COMPOUNDS : 15Hrs. Nitrohydrocarbons : Nomenclature, classification and structure of aliphatic nitro hydrocarbons Tautomerism of nitroalkanes leading to aci and keto form. Any two preparations of Nitroalkanes Reactivity of nitroalkanes 1. Halogenation (without mechanism) 2. Reaction with HONO (Nitrous acid) (without mechanism) 3. Nef reaction (without mechanism) 4. Mannich reaction (without mechanism) 5. Mannich reaction leading to Michael addition and Reduction (without mechanism) Amines Aliphatic Amines I. Nomenclature, Classification into 1 0, 2 0, 3 0 Amines and Quarternary ammonium compounds. II. Preparative methods of primary amines : For 1 0, 2 0, 3 0 Amines : Reductive Amination (without For 1 0 Amines : 1. Ammonolysis of alkyl halides (without mechanism) 2. Gabriel synthesis (without mechanism) 3. Hoffman s bromamide reaction (with mechanism) III. Chemical Properties : 1. Hinsberg separation of mixture of 1 0, 2 0, 3 0 amines.
2. Alkylation of primary and secondary amines (without 3. Acylation of primary and secondary amines (without 4. Carbylamine reaction of primary amines (without 5. Reaction with Nitrous acid of 1 0, 2 0, 3 0 (without 6. Oxidation of primary amines (without Aromatic Amines I. Nomenclature, Classification into 1 0, 2 0, 3 0 Amines and Quarternary ammonium compounds. II. Preparative methods of primary aromatic amines : 1. Amination of aryl halides (without mechanism) 2. From carboxylic acids Schmidt reaction (without mechanism) 3. Hoffman s degradation reaction from amides (without mechanism) III. Chemical Properties of primary aromatic amines : 1. Alkylation (without mechanism) 2. Acylation (without mechanism) 3. Carbylamine reaction (without mechanism) 4. Reaction with Nitrous acid (without mechanism) 5. Oxidation (without mechanism) IV. Physical Properties and basic character of amines : Substituent effect (Electron releasing, Electron withdrawing groups) on basicity of amines taking one example for each substituent group.
Steric effect Comparative basic strength of N-methylaniline and N-ethylaniline. Comparative basic strength of Ammonia, methyl amine, dimethyl amine, trimethyl amine and aniline. Comparative basic strength of aniline, N-methylaniline and N, N-dimethyl aniline (in aqueous medium) Applications of amines in biological systems : Definition, two examples and two functions of the following : Hormones : Adrenalin and Noradrenaline Neurotransmitters : Dopamine and Serotonine. Analgesic alkaloids : Morphine and Codeine. Electrophic Substitution of Aromatic Amines Bromination and Nitration (with mechanisms). Additional Input : Sulphonation of Aniline Importance of Sulphanilic acid in Sulpha drugs. (2). HETEROCYCLIC COMPOUNDS : 5 Hrs. Five Membered ring compounds : Introduction and definition : Simple Five membered ring compounds with one hetero atm. Ex. Furan, Thiophene and Pyrrole. Numbering the ring systems of Furan, Thiophene and Pyrrole as per Greek letter and numbers. Aromatic character of Furan, Thiophene and Pyrrole 6 electron system (four-electrons from two double bonds and a pair of non-bonded electrons from the hetero atom). Resonance structures of Furan, Thiophene and Pyrrole : Indicating electron surplus carbons and electron deficient hetero atom. Preparation of furan, pyrrole and thiophene from 1,4-dicarbonyl compounds only (Paul-Knorr synthesis).
Physical properties Explanation of feebly acidic character of pyrrole. Chemical Properties 1. Electrophilic substitution of Furan, pyrrole and thiophene at 2 or 5 position Halogenation, Nitration and Sulphonation under mild conditions (without mechanism) 2. Reactivity of furan as 1, 3-diene, Diels Alder reaction. 3. Sulphonation of thiophene (without mechanism) Six Membered rings Pyridine : 1. Resonance structure of pyridine 2. Basicity of pyridine Comparison with pyrrole. 3. Any one Electrophillic and one Nucleophilic Reactions of pyridine (without mechanisms) 4. Importance of heterocyclic ring system in natural products like Haemoglobin, Chlorophyll, antibiotics like Penicillins. Additional Input : Structure of alkaloids quinoline and Isoquinoline.