CHEMISTRY
MODULE – 1
A. Atomic structure : Concept of nuclear atom : Electron, Proton and Neutron, atomic number ; Rutherford’s model and its limitations. Extra nuclear structure, line spectrum of hydrogen atom ; quantization of energy (Planck’s equation = hv), Bohr model of atom and its limitations, Sommerfeld’s modification (elementary idea), the four quantum numbers, ground state electronic configurations of many electron atoms and mono atomic ions, the Aufbau principle, Pauli’s exclusion principle and Hund’s Rule, Dual nature of electron, the concept of atomic orbitals, shapes of S, P and d-orbitals (Pictorial Approach) B. Radioactivity and Nuclear Chemistry : Natural Radioactivity alpha, beta, gamma – rays and their properties, rate of radioactive decay, decay constant and half-line period of radio elements, Numerical Problems, Artificial radioactivity, Nuclear reactions, stability of atomic nucleus, effect of neutron – proton (n/p) ratio on the modes of decay, group displacement law, radio isotopes and their uses ( 6C14, 15P32 and 53I137 as examples ), isobars and isotones, Nuclear fission and fusion reactions. C. The Periodic table and Chemical families : Morn periodic law, Modern periodic table based onelectronic configurations, groups and periods, types of elements : Representative (s and p-block) elements, transition (d-block) elements and inner transition (f-block) elements (lanthanides and actinides) and their general characteristics, periodic trends in physical and chemical properties – atomic radii, Valency, ionization energy, electron affinity, metallic character, acidic and basic characters of oxides and hydrides of the representative elements (upto Z = 36), position of hydrogen and noble gases in the periodic table, Diagonal relationships.
MODULE – 2
A. Chemical Bonding and Molecular Structure : Valence electrons, the octet rule, Electrovalent, convalent and coordinate convalent bonds with examples, properties of electrovalent, covalent and co-ordinate covalent compounds, limitations of octet rule (examples), Fajan’s rule. Directionality of covalent bonds, shapes of polyatomic molecules (examples). Concept of hybridization of atomic orbitals involving s.p and d orbitals. Molecular Orbital energy diagrams for homonuclear diatomic species – bond order and magnetic properties, Valence shell electron pair Repulsion (VSEPR) concept, (elementary idea) – shapes of molecules, concept of resonance (elementary idea), resonance structure (examples), Elementary idea about electronegativity, bond polarity and dipolemoment, Hydrogen bonding and its effect on physical properties (M.P., B.P. and Solubility). Double and complex salts, Werner’s Co-ordination compounds (examples only), co-ordination number and geometry (example with CN 4 and 6 only), IUPAC nomenclaature of mono nuclear co-ordination complexes (examples). B. Chemical Energetics and Chemical Dynamics : Some basic concepts of Thermodynamics : System, Sorroundings, Types of system, types of processes, intensive and extensive properties, state functions, irreversible process, internal energy, enthalpy, work, heat capacity specific heat capacity, molar heat capacity, enthalpy changes during phase transitions, Enthalpy change in chemical reactions, standard enthalpy of formation, Hess’s law and its applications, bond enthalpy, measurement of enthalpy of reactions, energy of combustion reactions, conservation of energy and the first law of thermodynamics, Mathematical form of First law of thermodynamics, Numerical problems. Spontaneity of a process, entropy, the second law of thermodynamics, elementary idea about entropy change ( Δ S) and free energy change ( Δ G), significance of the relation ; Δ G = Δ H – T Δ S (without derivation), example with gaseous reaction, Numerical problems. Chemical Dynamics : Dependence of reaction rates with concentration, pressure, temperature, catalyst, size of particles etc.concept of energy barrier and activation energy. Order and molecularity of reactions (determination excluded), First order reaction, specific rate constant, half life period, numerical problems, examples of first order, pseudo first order and second order reactions.
MODULE – 3
A. Gaseous State : Measurable properties of gases, Boyle’s Law and Charle’s Law, absolute scale of temperature, ideal gas equation, PV = nRT, Dalton’s Law of partial pressure, Graham’s Law of diffusion, Derivation from ideal behaviour, Liquifaction of gases, real gases, Vander waal’s equation, Numerical problems. B. Chemical Equilibria, Ionic Equilibria and Redox Equilibria : Chemical Equilibria : The law of mass action, dynamaic nature of chemical equilibrium, equilibrium constant (K), Le Chatelier’s principle, Equilibrium constants of Gaseous reactions (Kp and Kc) and relation between them (examples). Ionic Equilibria : Ionization of weak electrolytes, Ostwald’s dilution law, Ionization constants of weak acids and bases, ionic product of water, the PH – scale, PH of aqueous solutions of acids and bases, Buffer solutions, buffer action and Henderson equation, acid – base titrations, acid – base indicators (structures non evaluative), solubility and solubility product, common ion effect (examples), Numerical problems. Redox Equilibria : Oxidation – Reduction reactions as electron transfer processes, oxidation numbers, balancing of chemical equations of redox reactions by oxidation number and ion – electron methods. Standard Electrode potentials (E0 ), Nernst equation and its applications, Electrochemical series, feasibility of a redox reacction, significace of Gibb’s equation Δ GO = nF Δ EO (without derivation), e.m.f. of galvanic cells (examples), stoichiometry of redox reactions, redox titration’s (examples), Numerical problems.
MODULE – 4
A. Atoms, molecules and Chemical Arithmetic : Definition of atomic weight on hydrogen scale, oxygen scale and carbon scale, physical and chemical atomic weight, Avogadro’s hypothesis and its application for deduction of M = 2D and molar volume of ideal gases at STP, Mole concept, weight – weight – volume calculations, Eudiometry, Percentage Composition, empirical formula and molecular formula, Equivalent weight of elements, radicals and compounds (No experimental determination required), E V A relations, Law of reciprocal proportion and Law of equivalent weight, Numerical Problems. B. Chmistry of Solutions : Non-electrolytic solutions – Types of solution, strength of solution in terms of normality, molarity, molality, Mole fraction and formality, vapour pressure of solutions, Raoults Law, colligative properties – Relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, Osmotic pressure and their relationship with molecular mass (without derivation), Numerical Problems. Colloidal Solution : Differences from true solutions, Hydrophobic and Hydrophilic colloids (examples, Preparation, properties and uses), coagulation and peptization of colloids, dialysis and its applications, Brownian motion,Tyndall effect and its applications, electrical properties, Protection of colloids and protective colloids, gold number, Elementary idea of emulsion, surfactant and micelle. Electrolytic Solutions : Electrolysis and electrolytic cell, factors influencing electrolysis, examples of electrolysis of few aqueous solutions of different strength (NaCl, H2SO4, CuSO4 and AgNO3 ) by using different suitable electrodes, Faraday’s laws of electrolysis, relationship between electrochemical equivalent and chemical equivalent, Definition of Faraday’s from Faraday’s first and second laws, Relationship between e, F and N. Determination of charge of electron from Faraday’s law, Electrolytic conduction, Conductance, Specific condutance, equivalent conductance and ionic conductance, Molar conductance, Kohlrausch’s law and its application, Numerical Problems.
MODULE – 5
A. Chemistry of Non-Metallic Elements and their compounds : i) Carabon : Allotropes of Carb on-Diamond, graphite, Fullerene. Preparation, properties and uses of CO and CO2, carbonate-bicarbonate fuffer systems. ii) Nitrogen and Phosphorus : Occurance, isotopes, iisolation from natural source and purification, reactivity of the free element, Preparation, properties andm reaction of PH3, N2O, NO, NO2, HNO2, HNO3, P4O6, P4O10, H3PO3, and H3PO4, NH3. iii) Sulphur and Oxygen : Occurance, isotopes, allotropic forms and isolation from natural sources and purification, properties and reactions of free element, H2O : unusal properties of water, heavy water (Production and uses) H2O2 and O3 – their preparation, purification, Properties, reactions and uses.SO2 and H2SO4: Preparation, Properties reactions and uses. H2S : reaactions with oxidising agents, use of H2S as reagent in qualitative inorganic analysis. iv) Halogen Family : Occurance, Principle of preparation, physica states and Chemical reactivity of the free elements, peculiarities of fluorine and iodine, hydracids of halogen (preparation, properties, reactions and uses), interhalogen compounds (examples). B. Chemistry in Industry : Large scale production (including physico-chemical principles where applicable omitting technical details and uses of individual items). i) Heavy Chemicals : Sulphuric acid (contact process), Ammonia (Haber’s process), Nitric acid (ostwald’s process), Sodium bicarbonate and sodium Carbon ate (Solvay process). ii) Electro chemicals : Sodium hydroxide and Chlorine. iii) Fuel Gases : Coal Gas, Water Gas, LPG, LNG and CNG. iv) Firtilizer : Urea, Nitrolim, Ammonium sulphate, Super phosphate of lime.
MODULE – 6
A. Chemistry of Metallic elements and their compounds : General principles of metallurgy : Occurance,concentration of ores, extraaction and purification of metals, minerals wealth of India. Typical Members : Na, Ca, Al, Fe, Cu, Zn – occurance, extraction, purification (where applicable), properties and reactions. Manufacture of steels and alloy steel (Bessemer, open – Hearth and L D process). Principles of chemistry involved in electroplating, anodizing and galvanizing. Metals of Life : Biological roles of Na+, K+, Mg2+, Ca2+ Fe2+, Fe3+,
Cu2+, and Zn2+ (elementary idea), mioglobin haemocyanin, chlorophyll (metal ion present and biofunction to be mentioned, structure – non evaluative). Compounds of metals : Principles of preparation, properties and uses of Bleaching powder, Plaster of paris, Epsom salt, Copper sulphate, Aluminium Chloride, Comon alum. B. Cement : Composition and setting of portland cement.
MODULE – 7
A. Chemistry of Organaic Compound : Unique nature of carbon atom – catenation, tetravalency of carbon,
Hybridization of orbitals, Modern concept of sigma and Pi-bond, classification of organaic compounds, Nomenclatuare of organic compounds (IUPAC name and trivial name), Homologous series, isomerism (structural), steric hindrance, inductive effect, resonance hyperconjugation. Organaic reaactions : Addition, substitution, elemination, rearrangement, Fission of a covalent bond, free radicals, electrophiles, nucleophiles, carbocations, carbanions. B. Hydrocarbons : Classification of hydrocarbons : Alkane-general methods of preparation and general properties with reactions. Methane and ethane : Principle of preparation, properties and uses. Alkene and Alkynes : General method of preparation, general properties with reactions. Saytzeff rule. Ethylene : Principle of preparation, properties, Marcownikoffs rule, Peroxide effect, ozonolysis, test of unsaturation and uses. Actylene : Principle of preparation, properties, Acidic character, test and uses.
C. Aromatic hydrocarbon : o, m, p isomers, Nucleus and side chain, Aromaticity. Benzene and its homologoues : Coal tar distillation and isolation of benzene, substitution reaction (chlorination, nitration,sulfonation and Friedalcraft’s reaction), ozonolysis, Dirtive influence of substituents (examples). Toluene and its o, m, p, substituted derivaties, chlorination (hydrolysis of chlorinated products indluded), side chain oxidations. D. Organic Compounds Containing halogens (Haloalkanes and Haloarenes) : General method of preparation, properties and reactions, haloform reaction, chloroform and Iodoform, carbylamine reaction, Chlorobenzene, (preparation, properties and uses). Preparation of Grignard reagents and their synthetic applications.
MODULE – 8
Organic compounds containing Oxygen : General methods of preparation, Large scale production, Properties, reactions, uses of individual compounds included in the syllabus and problem based on stoichiometry, structure, physical and chemical properties, reactions of functional groups. Alcohols : Methanol and ethanol (from fermentation). Ether : Diethlyether. Aldehydes and ketones : Formaldehyde, acetaldehyde and acetone. Carboxylic acids and their derivatives : Formic acids, acetic acid and oxalic acid, acetyl chloride, acetic anhydride, acetamide, Ethyl acetate. Phenol, Benzaldehyde, benzoic acid, salicylic acid, anthranilic acid, Acidity of carbozylic acid and phenol, effect of substitutents on the acidity of carboxylic acid.
MODULE – 9
A. Organic compounds containing nitrogen : Cyanides and Isocyanides – General methods of preparation, chemical
properties, comparison. Nitrobenzene : Preparation from benzene, diazonium salts, aniline properties reaction,halogenation,nitration, sulphonation. Amines : Classification, isomerism, general methods ofpreparation, properties with reactions, distinction and basicity of amines. Methyl amine, Ethyl amine, Aniline – preparations, properties, reactions and uses. Diazonium chloride – preparatio n, reaction and synthetic application.
B. Polymer : Classification of polymers, natural and synthetic polymers (with stress o n their general methods of preparation) and importantuses of the following. Polythene, Nylon-66, Teflon, PVC, Rubber from natural sources including Vulcanization.
C. Introduction of Biomolecules : Carbohydrates : Pentoses and Hexoses ; Distinctive chemical reaction of glucose, Amino acids : glycine, alanine, aspartic acid, cysteine (structure), Zwitterion structures ofamino acids, Peptide bond, ADP and ATP – structure and role in bioenergeties. Nucleic acids – DNA and RNA.
MODULE – 10
A. Environmental Chemistry : Chemical nature of air, water and soil and their role in environment, common modes of pollution of air, water and soil, importance of ozone layer, reactions causing ozone layer depletion, Green house effect, smog, pollution of water by domestic and industrial effluents, pollutants – pesticides, fertilizers and plastic. B. Application Oriented Chemistry : Main ingredients, their chemical natures (structures not required) and their side effects, if any, of common antiseptics, analgesics, antacids, pain killers, Vitamin C. Technical/Domestic/Medicinal uses of Chemicals : Baking powder, Calcium lactate, Boric acid, Borax, Zinc sulphate, oil of wintergreen, Carbolic acid.
C. Principles of qualitative analysis : Detection of water soluble non-interferring acid and basic radicals by dry and wet tests from among : a) Acid Radicals : Cl-, S2-, So2- 4, NO-3, Co2- b) Basic Radicals : Cu2+, Al3+, Fe2+, Fe3+, Zn2+, Mg2+, Na+, NH 4 +. Detection of special elements (N, Cl, Br, I and S) in organic compounds by chemical tests, Identification of functional groups in : phenol, aromatic amines, aldehydes, ketones and carboxylic acids.
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