Unit1. Atomic Structure | Electromagnetic Radiation: Wave nature - Wave Characteristics: Wave length - frequency - Wave number - units to express these quantities - relationship between them, Atomic Spectrum of Hydrogen - different regions of the spectrum - wave number of the spectral lines in these regions (Rydberg's equation),. Lyman, Balmer , Paschen , Bracket and Pfund series. Atomic Models : Rutherford's model, merits and demerits, Bohr's Model: Postulates - formulation of the model - Expressions for the energy and radius of the Hydrogen Atomic orbits with derivations - limitations. Zeemen, Stark effects - Sommerfields modifications. Quantum Numbers: Significance - writing quantum numbers for differentiating electrons in atoms - Pauli's exclusion principle. Wave nature of electron: De-Broglie wave equation - Heisenberg's uncertainty principle, (Cartesian coordinates equation only). Orbitals: Shapes of s,p,d orbitals - orbitals energy sequence - aufbau principle - Hund's rule. Electronic configuration of elements (from atomic no: 1 to 30 by nlx method) Stability and magnetic behaviour of atoms based on concepts of electronic configuration. |
Unit 2. Nuclear Chemistry | Nuclear particles: (Protons, Neutrons) - isotopes, isobars, isotones and Isodiapheres. Nucleus: Relative dimensions of atom and nucleus - nuclear mass defect - mass -energy relation - binding energy - n/p ratio - magic numbers. Nuclear reactions: Writing nuclear reactions in the shortest form of (M(a,b)M') notation, balancing - typical examples of nuclear reactions - nuclear fusion (proton) reactions - nuclear fission (uranium - 235) - Differences between nuclear and Chemical reactions. Radioactivity: Units of radioactivity (Curie, Rutherford and Bacquerel) - natural and artificial radioactivity - disintegration series - Group displacement law. Radioactive disintegration: Rate equation (no derivation) - decay constant - half-life period - numerical problems on radioactive disintegrations - Radioactive isotopes (O18, P32, U238, C14, I131) and their applications |
Unit 3. Periodic Classification of Elements | Periodic Laws and Periodic Table: Periodic laws based on atomic number and electron configuration - Structure of the long form of the periodic table - s,p,d,f blocks - outer electronic configuration of elements of s,p,d and f blocks. Periodic trends: Trends down the group and across the period in respect of atomic size, ionic radius, Oxidation State, ionization potential, electron affinity and electronegativity - reasons for the trends |
Unit 4. Chemical Bondin | Ionic Bonding: Nature, factors favourable for the bond formation - Effect of ionization potential, electron affinity and electro negativity - Born - Haber cycle for sodium chloride crystal formation - Face centered cubic lattice structure of sodium chloride - Body centered cubic lattice structure of cesium chloride (diagramatic illustrations only) - coordination number of metal ions in the crystals of sodium chloride and cesium chloride. Properties of ionic substances, Covalent Bond: Nature - octet rule and electron dot formula of simple molecules (BeCl2, BF3, CO2, NH3, H2O,PCl5, SF6, CH4, C2-H4, C2H6) - postulates of valence bond theory (qualitative treatment) - overlapping of orbitals - sigma and pi bonds - dipole moment (qualitative aspect) of simple molecules. (HCl, H2O, SO2, NH3, CH4-, CCl4) - properties of covalent substances. Hybridization of Orbitals: sp, sp2 ,sp3 , dsp3 , d2 sp3 hybridizations - shapes of simple molecules (BeCl2, BCl3, CH4, C2H6, C2H4, C2H2, NH3, H2O, PCl5, SF6) Bond Lengths - bond angles and bond energies - postulates of valance shell electron pair repulsion (VSEPR) theory - application to geometry of covalent molecules (beryllium chloride, boron tri-chloride, water and ammonia) Hydrogen Bond: Concept - inter and intra molecular Hydrogen bonds - typical examples. |
Unit 5. Stoichiometry | Definition : Stoichiometry, Stoichiometric Equation, Stoichiometric amounts – Examples, Mole Concept: Gram atom, Gram molecule, Definition of mole, mass, formula weight - Calculations. Chemical reactions and Numerical calculations based on weight - weight, weight - volume , volume - volume relationships, Calculation of empirical and molecular formulae of Carbon compounds - oxidation number - Redox reactions - Calculation of oxidation number - Balancing of redox reactions by ion - electron (half reaction) method and oxidation number method. |
Unit 6. Gaseous State | Gas laws - Boyle's law, Charle's law, Avogadro's law - statement and numerical problems, Ideal gas equation: PV=nRT, values of R - numerical problems based on gas equation. Graham's law of diffusion - Statement - numerical problems. Dalton's law of partial pressures: Statement - numerical problems. Kinetic theory of Gases: Postulates - derivation of PV= 1/3 mnc2 - Deducing gas laws from kinetic gas laws (Boyles law, Charles law, Dalton's law, Graham's law) from kinetic gas equation - RMS velocity - most probable velocity - Mathematical relationship between the three. Average kinetic energy of the molecules. |
Unit 7. Solutions | Definition of solution: Solvent - solute, methods of expressing concentrations of solutions - molarity, molality, normality - mole fraction methods - Numerical problems. Vapour Pressure: Definition - effect of temperature - Raoult's law - Numerical problems. |
Unit 8. Acids and Bases | Theories of Acids and Bases - Arrhenius acid - base concept, limitations, Lowry - Bronsted concept - examples - limitations - Lewis Theory - examples. Ionic Product of Water: pH of aqueous solutions - (include both strong and weak acids and bases) - buffer solutions - types of buffers, buffer action - calculation of pH of acid buffers. Indicators: Acid -base indicators - pH range - selection of indicators for acid - base titrations. Hydrolysis of Salts: Definition - examples of different salts. |
Unit 9. Electro Chemistry | Metallic Conductors - Electrolytes - Non - electrolytes - Arrhenius theory of ionization - Faraday's laws - Numerical problems. Galvanic Cells : Definition - examples - cell notation - writing of cells and cell reactions. Nernst Equation - e.m.f. calculation |
Unit 10. Chemical Equilibrium and chemical Kinetics | Chemical Equilibrium: Reversible reactions - chemical equilibrium - dynamic nature - examples of chemical equilibrium, law of mass action - equilibrium constant - characteristics of equilibrium constant - factors affecting equilibrium - application of law of mass action to Haber's process (for Ammonia). Le Chatelier's Principle: Statement and applications to Haber's process (for Ammonia). Chemical Kinetics: Rate of reaction (elementary treatment) factors (concentration - temperature, catalyst) affecting rate of reaction, rate law, rate constant and its units Order and Molecularity - First order Rate equation and half life - collision theory of reaction rates (elementary treatment) |
Unit 11. Chemical Energetics | Chemical energetics: Internal energy - enthalpy - exothermic and endothermic reactions - heats of reaction; formation, combustion, neutralization - Hess Law - Numerical problems. |
Unit 12. Surface chemistry | Adsorption and absorption - Physical and Chemical adsorption - distinguishing properties - Adsorption of Gases on Metals - Adsorption from solutions (Elementary treatment). Colloidal State: True and Colloidal solutions - explanation of terms - Dispersion medium, Dispersed phase, lyophillic and lyophobic sols using the examples - smoke, cloud, blood, milk, starch solution and gold sol. Micelles - cleaning action of soap Emulsions: emulsifying agent and emulsification - its applications Catalysts: Explanation of terms - Homogeneous and Heterogeneous catalysis, Distinction with suitable examples - auto catalysis with one example. |
Unit 13. Hydrogen and its Compounds | Water: Hardness of Water and its removal Heavy Water: Isotopes of hydrogen - heavy water - electrolytic preparation - properties and uses of heavy Water. Hydrogen Peroxide: Preparation (laboratory, electrolytic and auto oxidation) and concentration, properties of H2O2 as oxidizing agent and reducing agent, structure and uses of H2O2 |
Unit 14. Alkali and Alkaline Earth Metals | General Characteristics: Electronic configuration - position in the long form of the periodic table - trends in physical properties, chemical properties with reference to oxides, halides and carbonates. Sodium and Magnesium: Occurrence - extraction of sodium (Castner and Down process) - extraction of Magnesium (from Carnalite and Magnasite) - Typical physical and chemical properties - Uses. Alloys of magnesium (Magnalium and Electron) preparation, properties and uses of the following compounds sodium hydroxide, sodium bicarbonate, magnesium - sulphate, Plaster of Paris, Lime Mortar and Gypsum. |
Unit 15. Group elements | General Characteristics: Electronic configuration - position in the long form of the periodic table - trends in physical properties - Chemical properties with reference to oxides, halides and hydroxides. Aluminium: Occurrence - extraction - purification (electrolytic) - typical physical and chemical properties - uses including aluminothermic process - Preparation, properties and uses of Potash Alum. Electron deficient compounds: Concept and examples, Diborane: Preparation, properties and structure |
Unit 16. IV Group elements | General Characteristics: Electronic configuration - position in the long form of the periodic table - trends in physical properties of carbon and silicon. Physical forms of Carbon: Allotropy of carbon - structure of diamond and graphite. Preparation - properties - structure and uses of Silicon and SiO2 . Comparison of SiO2 with CO2.. Fuel gases: Producer gas and water gas - preparation - calorific values and uses. |
Unit 17. V Group Elements | General Characteristics: Electronic configuration - position in the long form of the period table - trends in physical properties. Chemical Properties of Compounds of Nitrogen & Phosphorous: Hydrides, Oxides, Halides and structural aspects of Oxy - acids. Industrial Preparation and Uses of : Ammonia, and Super phosphate of lime. |
Unit 18. VI Group Elements | General Characteristics: Electronic configuration - position in the long form of the periodic table - trends in physical properties - allotropy of elements. Chemical Properties of Compounds of Oxygen and Sulphur: Hydrides, oxides, halides and structural aspects of Oxy acids. Preparation, properties and uses of Ozone, Sodium thiosulphate. |
Unit 19. VII Group Elements | General Characteristics: Electronic configuration - position in the long form of the periodic table - trends in physical properties. Fluorine and Chlorine: Preparation, properties and uses. Structure and oxidation states of Oxides and oxyacids of chlorine. Bleaching Powder: Preparation, properties and uses |
Unit 20. Noble Gases | Discovery, Occurrence and isolation. Chemistry of Noble Gases and their uses. |
Unit 21. Transition Elements (dBlock) | General characteristics of: Electronic configuration - position in the long form of the periodic table. Properties : Oxidation states - colour forming ability - alloy formation - magnetic properties Coordination complexes: Werner's notations (elementary account) |
Unit 22. Environmental Chemistry | Terminology: Environment, pollutant, contaminant, receptor, sink, speciation, dissolved oxygen, threshold limit. Air Pollution: Common air pollutants - CO and oxides of Nitrogen and Sulphur - acid rains and green house effect Water pollution: Common Water pollutants. Organic Pollutants, Biological Oxygen Demand (BOD), Inorganic pollutants - Water treatment with respect to fluorine content Ozone layer and effect of freons (CFC). |
Unit 23. Hydrocarbons-I (Alkanes and Alkenes) | Classification - Formation of sigma and pi bonds. Homologous series - concept and its significance. Isomerism: Concept, Structural isomerism (chain, position, functional isomerism). Nomenclature of Aliphatic Hydro Carbons : IUPAC system Methane and Ethane: Preparation by reduction of alkyl halides, Wurtz method, Grignard method, decarboxylation, Kolbe's'electrolysis, Sabtier - Senderen's reaction. Chemical Properties: Halogenation, Nitration, Pyrolysis, Oxidation - Uses Ethylene: Methods of preparation: dehydration of alcohols - dehydrohalogenation of alkylhalides - dehalogenation of dihalides. Properties of Ethylene: Addition of hydrogen - halogens - hydrogen halides - water - hypohalous acids -mineral acids - polymerisation - oxidation (with Beayers reagent) - ozonolysis - Uses. |
Unit 24. Hydrocarbons II | Acetylene: preparation - Dehydrohalogenation of 1,2 - dihalides - hydrolysis of CaC2 dehalogenation - Kolbe's electrolysis Properties: Oxidation, addition of hydrogen, halogens, hydrogen halides and water, trimerization, salt formation, decolorization of Br2/CCl4 - uses Benzene: Preparation from acetylene, coal tar distillation, structure of benzene, resonance - aromatic property. Properties: Friedel - Craft's reaction, halogenation, nitration, sulphonation - Uses. |
Unit 25. Alkyl Halides | Nomenclature and classification to Primary, Secondary & Tertiary Alkyl halides Ethyl Chloride: Preparation - from alcohols using Lucas reagent, PCl3, PCl5 and SOCl2. Properties: Reduction, hydrolysis, dehydrohalogenation, Wurtz reaction, reactions with KNO2, AgNO2, KCN, AgCN, Mg and sodium ethoxide. Chloroform: Preparation from ethanol using bleaching powder & water and chloralhydrate. Properties: Oxidation, isocyanide formation - hydrolysis - uses. |
Units 26. Alcohols | Nomenclature and classification to Primary, Secondary & Tertiary Alcohols Ethanol: Preparation - Hydrolysis of alkyl halides, hydration of alkenes, fermentation of molasses & starch, Properties: Hydrogen bonding - Reaction with Sodium , esterification, action with conc H2SO4 , reaction with Lucas reagent, PBr3, PCl5, oxidation with Potassium dichromate and Cu / 300o c. Combustion, chloroform formation. Differentiation with Lucas reagent - Uses. |
Unit 27. Ethers | Nomenclature - Diethyl ether - Preparation from alcohols-Williamson synthesis - Properties - Reaction with HI-Uses. |
Unit 28. Aldehydes and Ketones | Nomenclature - Acetaladehyde & Acetone: Preparations - Oxidation of Alcohols, heating calcium salts. Properties: oxidation, reduction with H2 / Ni and LiAlH4, addition of NaHSO3, HCN, NH3, hydroxylamine, phenylhydrazine, 2,4 - DNP, aldol condensation, oxidation with Tollen's and Fehlings reagents. |
Unit 29. Carboxylic Acids | Nomenclature - Acetic Acid - Preparations - Oxidation of alcohols, aldehydes , hydrolysis of cyanides. Properties: Acidity - reactions with Na, NaOH, NaHCO3, esterification - acid cholrides, anhydrides, amides formation, halogenation - Uses. |
Unit 30. Nitrogen Compounds | Nomenclature - Nitro-Benzene - Preparation - nitration of Benzene. Properties : Reduction in acidic , basic, neutral media and with LiAlH4 - Uses Aniline: Classification of amines - Preparation : reduction of nitro benzene. Properties: basic nature - salt formation with HCl, alkylation, N - acetylation, N- benzoyalation , diazotisation - carbylamine reaction - Uses. |
Unit 31. Chemistry in Biology and Medicine | Importance of Metals in the bio molecules viz., Haemoglobin, Cyanocobalamine (Vitamin B12) and chlorophyll (Elementary treatment) Common Drugs used in Medicine: Actyl Salicylic acid (Aspirin) - Paracetamol (Elementary treatment of these two only). |