| Tamil Nadu Public Service Commission (TNPSC)
Syllabus
Degree Standard
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Chemistry - (Code - 027)UNIT I - PHYSICAL CHEMISTRY:- - Gas law and Kinetic Theory:- Ideal gas equation - Deviation from ideal behaviour - vander waals equation for real gases - Molecular velocities - the Maxwell's distribution of molecular velocities.
- Solid State:- Crystal systems - Bravaislattice - Unit Cell - Miller Indices - Symmetry elements in crystals - Bragg's equation - Radius ratio's and packing in crystals.
- Thermodynamics:- Intensive and extensive variables - First law of thermodynamics - CP and CV relation - Hess's law of constant heat summation - Kirchoff's equation - Second law of thermodynamics - Carnot theorem - entropy and probability - Free energy and Chemical equilibrium - third law - Gibb's and Helmholtz functions.
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UNIT II - - Chemical Kinetics:- Rate laws - rate constant - order and molecularity of reactions - Arrhenius theory - collision theory and Transition state theory - catalysis.
- Electro-Chemistry:- Types of reversible electrodes - Nernst equation - reference electrode and standard hydrogen electrode - computation of cell e.m.f. calculations of thermodynamic quantities of cell reactions (DG, DH, DS and K) - Over potential and hydrogen over voltage - Arrhenius theory - Debye 'Huckel equation - Kohliraush's law - Ostwald's dilution law - Determination of PH and Pka of acids by potentio metric methods.
UNIT III - - Chemical spectroscopy:- Elementary ideas of microwave, infrared, Raman, uv, NMR, ESR and Mass spectroscopy.
UNIT IV - - Colloids and surface Chemistry:- Classification - preparation purification - properties - Tyndall effect - Gels - Emulsions Absorption - Langmur isotherms - Heterogeneous catalysis.
- Physical properties and Chemical constitution:- Surface tension - parachor and its application to structural problems - Dipolemoment - applications of dipolemoment measurements to structural studies of simple inorganic and organic molecules - magnetic properties of matter, diamagnetism, paramagnetism, ferromagnetism and anti-ferromagnetism - Applications to structural problems.
UNIT V - INORGANIC CHEMISTRY:- - Periodic classification:- Classification based on electronic configuration - periodic properties - atomic and ionic radii, ionisation potential, electron affinity and electronegativity along periods and groups.
- Chemical bond:- Lattice energy - VSEPR Theory and its applications - partial ionic character from electronegativity - Fajan's Rules.
- Compounds of Boron:- Electron deficient nature of boron compounds - preparation and properties of halides and nitrates of boron - diborane - Borazine.
UNIT VI - - LANTHANIDES AND ACTINIDES:- Electronic configuration oxidation state, magnetic properties and complexation behaviour - comparison of lanthanides and actinides and their position in the periodic table.
- Fertilisers:- Ammonium nitrate, ammonium phosphate, Superphosphate and Diammonium Phosphate, NPK fertilisers.
- Nuclear Chemistry:- Nuclear stability, - n/p ratio - isotopes, isobars and isotones Nuclear reactions Spellation - Nuclear fission and fusion - uses of nuclear energy - applications of tracers in industry, medicine, agriculture.
UNIT VII - Co-ordination Chemistry:- Nomenclature - theories of co-ordination compounds - werner, valence bond, crystal field molecular orbital and ligand field theories - Effective atomic number - isomerism - Metal Carbonyls of iron and Nickel.
- Analytical Chemistry:- i) Principles of volumetric analysis - gravimetric analysis - separation and purification techniques.
UNIT VIII - ORGANIC CHEMISTRY:- - Types of reactions:- Nucleophilic, electrophilic, free radicals, addition and elimination reactions.
- Electron displacement effects:- Inductive, inductometric, electromeric, mesomeric, resonance, hyperconjugation and steric effects.
UNIT IX - - Nature of Bonding:- Hybridisation (Sp, Sp2 & Sp3) and Geometry of molecule - cleavage of bonds - homolytic and heterolytic fission of carbon - carbonbonds - Reaction intermediates - free radicals, carbocations and carbonions - their stability.
- Stereo Chemistry:- Optical isomerism and Geometrical isomerism - chirality - optical isomerism of lactic and tartaric acid - Racemisation - Resolution - Asymmetric synthesis - walden inversion - cis and trans isomerism of maleic and fumeric acids - R-S-Notations - conformational analysis of cyclohexane.
UNIT X - - Dyes:- Classification and Properties of dyes - methyl orange, cangored, malachite green, fluorenscein and indigo.
- Carbon hydrates:- Classification and reactions - Glucose, Fructose, Sucrose and lactose - structure of glucose and fructose.
- Aromatic Substitution:- Mechanism of nitration, Halogenation, sulphoration and Friedel Crafts reaction - Orientation effects - nucleophilic substitution - Benzyne mechanism.
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