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Topic Review (Newest First)
August 23rd, 2019 03:15 PM
Aakashd
Re: TRB Chemistry previous year question papers free download PDF

The syllabus for written recruitment Test for the post of Post Graduate Assistants in Tamil Nadu Higher Secondary Educational Service conducted by Teachers Recruitment Board, Government of Tamil Nadu on which the question paper is based is as follows:


Syllabus: CHEMISTRY

Unit-I

Periodic properties Atomic radius ionic radius, ionization potential, electron affinity and electronegativity Their significance in chemical bonding
VB theory, MO theory applications Comparision of VB and MO theories VSEPR theory
Bond order Bond energy Bond length Bond polarity Partial ionic character of bonds The concept of multi-centre bond Electron deficient compounds Hydrogen bond Its influences.
Non aqueous solvents A general study of typical reactions in non aquieous media comparison with reactions in aqueous media
Solid state chemistry Ionic bonding Lattice energy Born equation Born Haber cycle
Radius ratio rule Born Meyer equation Kapustinskis Modification energetics of the dissolution of ionic compounds in polar solvents different types of electostatic interactions.
Structural aspects of solids Fourier synthesis and analysis structure factors scattering factors Spinels and Inverse spinels defects in stoinchiometric and Non stoichiometric crystals.
Electrical properties of solids Band theory semi conductors Junction devices Super
conductivity Ionic conductivity Optical properties of solids Lasers and phosphors Photovoltaic effect solar energy.
Magnetic properties of solids Different types dia, para, ferro, antiferro and ferri Magnetism Magnetic hysteresis


Unit II
Co-ordination chemistry Methods of preparation of complexes isomerism in complexes applications of complex formation in analytical chemistry complexes and their stability chelate effect
Stability constants Their determination complexes of Metals in different oxidation states and their stability
Optical activity and concept of chirality Different kinds of opticalloy active compounds
configuration Foscher, sawhorse and Newman projections Absolute configuration R and S Notations Methods with more than one chiral center Asymmetric synthesis optical purity.
Geometrical isomerism resulting from double bonds The E.Z. system of nemenclature
Geometrical isomerism of monocyclic compounds and fused ring systems Sterospecific and stereo selective reactions with examples
Confermational analysis conformation and reactivity in acylic and cyclo hexane systems conformation of decalins, cyclohexane and cyclohexanone



Syllabus for Post Graduate Assistants in Tamil Nadu Higher Secondary Educational Service




August 23rd, 2019 03:12 PM
Unregistered
Re: TRB Chemistry previous year question papers free download PDF

Can you provide me the syllabus for written recruitment Test for the post of Post Graduate Assistants in Tamil Nadu Higher Secondary Educational Service conducted by Teachers Recruitment Board, Government of Tamil Nadu on which the question paper is based?
May 27th, 2014 11:28 AM
AdityaV
TRB Chemistry previous year question papers free download PDF

Will you please give me the TRB Chemistry previous year question papers as it is very urgent for me?

As you want to get the TRB Chemistry previous year question papers so here is the information of the same for you:

Some content of the file has been given here:














For more detailed information I am uploading PDF files which are free to download:

TRB or Teachers Recruitment Board Chemistry previous year question papers is as follows:






TRB Chemistry Syllabus
Unit-I

Periodic properties – Atomic radius – ionic radius, ionization potential, electron affinity and electronegativity – Their significance in chemical bonding.

VB theory, MO theory – applications – Comparision of VB and MO theories – VSEPR theory – Bond order – Bond energy – Bond length Bond polarity – Partial ionic character of bonds – The concept of multi-centre bond – Electron deficient compounds – Hydrogen bond – Its influences.

Non aqueous solvents – A general study of typical reactions in non aquieous media – comparison with reactions in aqueous media.

Solid state chemistry – Ionic bonding – Lattice energy – Born equation – Born Haber cycle – Radius ratio rule – Born Meyer equation – Kapustinski’s Modification – energetics of the dissolution of ionic compounds in polar solvents – different types of electostatic interactions.

Structural aspects of solids – Fourier synthesis and analysis structure factors – scattering factors – Spinels and Inverse spinels – defects in stoinchiometric and Non stoichiometric crystals.

Electrical properties of solids – Band theory semi conductors – Junction devices – Super conductivity – Ionic conductivity – Optical properties of solids – Lasers and phosphors – Photovoltaic effect – solar energy.

Magnetic properties of solids – Different types – dia, para, ferro, antiferro and ferri Magnetism – Magnetic hysteresis.

Unit II

Co-ordination chemistry – Methods of preparation of complexes – isomerism in complexes – applications of complex formation in analytical chemistry – complexes and their stability chelate effect Stability constants – Their determination – complexes of Metals in different oxidation states and their stability.

Optical activity and concept of chirality – Different kinds of opticalloy active compounds – configuration – Foscher, sawhorse and Newman projections – Absolute configuration R and S Notations – Methods with more than one chiral center – Asymmetric synthesis – optical purity.

Geometrical isomerism resulting from double bonds – The E.Z. system of nemenclature – Geometrical isomerism of monocyclic compounds and fused ring systems – Sterospecific and stereo selective reactions with examples.

Confermational analysis – conformation and reactivity in acylic and cyclo – hexane systems – conformation of decalins, cyclohexane and cyclohexanone.

Unit III

Organic reaction mechanisms – General methods of investigating reaction mechanisms – kinetic and non-kinetic methods – different types of reaction intermediates.

Aliphatic nucleophilic substituion SN1, SN2 and SNi reactions – substitution at vinylic and benzylic carbon – stereo chemistry of nucleophilic reaction – solvents and substituent effects – Nucleophilicity Neighboring group participation.

Addition to double and triple bonds – Mechanism Hydration – Hydroboration – Hydroxiylation – epoxidation.

Elimination reactions E1, E2, E1cB Mechanism – Orientation effects in elimination reactions – stereo chemistry of elimination reactors – dehydration of alcohols – dehydro halogenation – cope elemination.

Heterocyclics – synthesis and reactivity of furan, thiophene, pyrrole pyridine, quinoline, isoquinoline, Indole, flavenes, and anthocyanins – skraup synthesis – Fischer indole synthesis.

The chemistry ;of natural products structure elucidations and Biogenesis of the following:

Alkaloids : Reticulene, Reserpine, Morphine

Terpenoids : Zingiberene, Squalene, Lanosteroal

Steroids : Cholesterol, Oestrone, Progresterone

Carbohydrates: Maltose, Starch, Cellulose (biogenis not expected)

Structure and functions of biopolymer such as proteins and Nucleic acids – Primary, Secondary and tertiary structures of proteins – Mechanism of Enzyme action – DNA and RNA.

Unit IV

The old quantum theory – Inadequacy of classical mechanics – Failure of classical mechanics – success of quantum hypothesis explaining black body radiation – Photo electric effect – the hydrogen spectrum – Bohr’s explanation of hydrogen spectrum – Failure of Bohr’s model.

De broglie’s postulates of Matter waves – experimental observation of matter waves – Heisenberg’s uncertainly principle – wave particle dualism – Davisson, Garmer experiments – Postulates of quantum mechanics – Time dependent schrodinger equation – Needs of an acceptable wave function – Physical significance of Psi function.

Operators in quantum mechanics. Operator algebra – Linear and Hermitian operators –m Eigen functions and Eigen values – Hamiltonian operators – Angular momentum.

Application of schrodinger equation – particle in one and three dimensional boxes – quantum mechanical results for a simple harmonic oscillaltor and rigid rotator – approxination methods – perturbation methods – variation method – VB and MO methods.

Symmetry elements and symmetry operations – Point groups – representation of groups reducible and irreducible representations characters tables – Orthogonality theorem and its consequences.

Symmetry selection rule for IR and Ramanspectra – Systematic procedure for determining symmetries of normal modes of vibration – symmetry applied to MO theory and orbital hybridization.

Unit V

Thermodynamic equations of state – closed and open systems – partial molal quantities – chemical potential with temperature and pressure – third law of thermodynamics.

Fugacity – methods of determination – activity and activity co-efficient – standard states for gases, liquids – solids and solutions – mean activity co-efficients of electrolytes.

Maxwell’s distribution of molecular velocities – derivation of expression for average, most probable and rcot mean square velocities – Microstates Macrostates – partial functions – Sackur tetrode equation – statistical approach to the third law of Thermodynamics – Maxwell Boltzmann – Bose Einstein and Fermi Dirace statistics – Heat capacities of solids – Einstein and Debye Models Low temperature – Negative absolute temperature.

Chemical equilibrium – thermodynamic derivation of equilibrium constant – standard free energy – calculations.

Phase equilibrium – thermodynamic derivation of phase rule application of phase rule – three component systems.

Chromotography – column, paper, thinlayer, gas-liquid, High pressure liquid chromatography HPLC principle and applications.

Thermal analysis – different thermal analysis (DTA) – Principle and applications – thermogravimetric analysis (TGA) Principle and application.

Chemical crystallography – Diffraction methods – X ray Neutron, electron diffraction methods. Principle and applications.

Polarimetry – Circular ichroism – Optical Rotatory dispersion (ORD) Principle and applications.

Unit VI

Nuclear – chemistry – Nuclear nadii spin and moments – Nuclear structure – Nuclear forces – Nuclear stability – Nuclear modes – Modes of Radioactivity decay. Nuclear isomerisation Nuclear Reaction Energy – Coulomb barrier cross section – excitation function – Radiactive Equiliberia – Types of Neclear reactions – Nuclear fision Nuclear Reactors – Atomic Power Project in India – Radiation hazards – Radiation desimetry – Nuclear fusion – Stellar Energy.

Application of Radioactivity – Tracer Techniques – Neutron –
Activation analysis – Isotope Dilution Analysis – Interaction of radiation with matter – Range of alpha and beta particles – Absorption co-efficient,.

Orgnometallic compounds – Metallecences – Arene complexes – Nonaromatie olefins and acetylenes complexes – catalysis by organometallic compounds Wilkinson’s catalyst – Oxoprocess – wecker process – Ziegler – Natta catalysis.

Inorganic photo chemistry – Photochemical reactions of coordination and organ metallic compounds – Properties of excited states – charge transfer photo Oxidation, photo reduction, photo substitution, photo isomerisation – Photo chemical conversion – Solar energy.

Unit VII

Term symbols and term states – Dn- ions energy levels – Diagrams weakfield and strong field and strong field concepts – spin orbit coupling – The Nephelanxetic effect charge transfer spectra – Applications of UV, IR, NMR, BSR and mossbaver spectroscopy techniques in the study of co-ordination chemistry.

Magnetic interactions – Magnetic susceptibilities determination – application in co-ordination chemistry. Application of VB, MO, CF and LF theories in co-ordination chemistry – Group theoretical approach – splitting of d-orbitals – spectro-chemical series – concept of weak and strong fields – Thermodynamic and chemical effect of d-orbitals splitting – Jahn Teller distortion.

Nuclear Magnetic Resonance Spectroscopy – Theory – Study of PMR – chemical shift – Type of shielding – Spin-spin coupling spin decoupling – spplications to simple natural products.

Electron spin resonance spectro scopy – paramagnetism – Nuclear hyperfine structure – Hyperfine coupling.

Unit VIII

Huckel’s rule and concept of aromaticity – aromaticity of Benzenoid – Nonbenzenoid aromatics. The annulenes – Aromaticity in charged rings and fused ring systems. Aromatic electrophilic substitution – Mechanism and reactivity, Typical reactions to include diazonium coupling – Halognation, sulphonation. Friedal craft alkylation and acylation. Aromatic Nucleophilic substitution – Benzyne mechanism – Examples. Oxidation – Reduction reactions – Mechanisms – selectivity in oxidations and reductions.

Molecular rearrangements – Rearrangements with Carbon to Nitrogen, Carton to Oxygen and Carbon migrations. Curtivs, Lossen, Schmitts Baeyer – Villiger, Pinacol – Pinacolene, Benzoil – Benzilicacid, Benzidine, Favorski and fries rearrangements – sigmatropic rearragements – claisen and cope. Pericyclic reactions, selection rules – orbital symmetry – Electrocyclic reactions – cycle additions sigmatropic reactions.

Modern synthetic reactions – Diels alder reaction witting reactions – stork Enamine reactions – Mannich reactions, Birch reductions.

Unit IX

Theories of reaction rates – simple collision theory – absolute reaction rate theory (ARRT) – Reaction co-ordinate – Potential energy surfaces. Hammett – Taft equation – Hammett acidity function – Acid base catalysis Bronsted relation Enzyme catalysis – Michaelis Menton Law – influence of PH and temperature. Surface phenomenon – Heterogeneous catalysis – Absorption isotherms. Electrolytic conductance – applications – solubility product – Interionic attraction theory – Debye – Huckel – Onsager equation – equivalent conductivity of electro lytes.

Electro potentials – Electrochemical cells – electrode – electrolyte interface – electrical double layer electro capillary phenomena – electro kinetic Phenomena – Membrane potential – Polarisation – over potential – Polarography – concentration polarization – electro chemical polarization – sutler – Volmer equation.

Unit X

Theory and applications of the following spectroscopic methods; electonics spectra-UV-Visible spectra – IR spectra – Raman spectra – Laser – Raman spectra – NMR – WCR- ESR Spectra – Mossbaver spectro scopy – photoelectron spectro scopy – Poly

merisation reactions – Mechanism – sterochemical aspects. Types of polymers – organic and inorganic polymers – preparation – properties – structure – polystyrene – Polyvinylchloride – Polyesters – Nylon – Phenol resin – amino resins – epoxy resins. Phosphonitrilic compounds – silicons – Borazines applications of polymers
more paper detail in atteched a pdf file..............


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