TRB Lecturers in Government Polytechnic Colleges Chemistry Syllabus 2017. This is the final syllabus and remember it is enough to read just this portion to write TRB exam for Lecturers in Govt Polytechnic Colleges. CHEMISTRY UNIT 1 Analytical Chemistry: Classification of analytical Methods – classical and instrumental. Errors and Evaluation: Definition of terms in mean and median – Types of errors, propagation of errors, accuracy and precision, least squares analysis, average standard deviation. Analytical Techniques: Principle and applications of adsorption, partition, ion exchange and solvent extraction - chromatographic methods – TLC HPLC and GC. Applications of atomic, molecular and emission spectroscopy in quantitative analysis – Eleetroanalytical techniques - cyclic and stripping voltametry, polarography, TGA, DTA, and DSC. Light scattering techniques including nepelometry and Raman spectroscopy. UNIT 2 Structure and Bonding: Atomic orbitals – Types of chemical Bonds (weak and strong) Intermolecular forces. Theories of bonding (VB and MO). Concept of hybridization - shapes of polyatomic molecules – VSEPR theory – Structure of simple ionic and covalent compounds - lattice energy - crystal defects – insulators and semiconductors, superconductors, Band theory of solids – Solid state reactions. Acids and Bases: Bronsted and Lewis acids and bases, pH and pKa, acid-base concept in non aqueous media, HSAB concept, Buffer solution. Redox Reactions: Oxidation numbers; Redox potential, electrochemical series, Redox indicators, Chemical principles involved in-extractions and purification of Iron, Copper, Lead, Zinc and Aluminium. UNIT 3 Nuclear Chemistry: Radioactive decay and equilibrium, Nuclear reactions: Q valve, cross sections, types of reactions, nuclear transmutations, fission and fusion Radioactive techniques - tracer technique, neutron activation analysis. G.M, ionization and proportional counters. Radiolysis of water - G Value, dosimeters and Hydrated electron. Chemistry of Non-transition elements – General properties and structure of their halides and oxides. Polymorphism carbon, phosphorus and sulphur. Synthesis, properties and structure of boranes, carboranes and metallo carboranes - Wade's rule - preparation, properties and structure of borazines & phosphazenes. Sulphur – nitrogen compounds – oxides and oxy acids of nitrogen, phosphorous, sulphur and halogens, interhalogen and noble gas compounds. Isopoly and heteropoly acids and salts. UNIT 4 Chemistry of Transition elements: Co-ordination Chemistry of transition metal ions - Werner's theory - nomenclature and stereo chemistry of co-ordination compounds - stability constants and their determinations - CFT, splitting of d orbitals, CFSE, Jahn Teller effect, charge transfer spectra – spectrochemicai seriesTerm states for dn ions, Orgel and Tanable – sugano diagram, calculation of Dq, B and β parameters. Inorganic reaction mechanism: Inert and labile complexes - substitution reactions – transeffect - redox and electron transfer reactions. Photochemistry of chromium, ruthenium and cobalt complexes. Chemistry of lanthanides and actinides. Metal carbonyls and metal clusters, Organometallic reagents in organic synthesis - Cayatylic reactions - (hydrogeneation, hydroformylation, isomerization and polymerization) pi-acid metal complexes. Bioinorganic Chemistry: Metal ions in Biology, Photosynthesis, PSL, PSH, Nitrogen fixation, Oxygen transport and storage, Hemeproteins haemoglobin, cytochrome and ferrodoxins. Spectroscopy: Applications of nmr, nqr and esr to inorganic compounds. UNIT 5 Chirality Differentiation of assymmetric and dyssymmetric molecules. Identification of prochiral carbons enantio and diastereoptropic hydrogens in a molecule. Stereochemistry of disubstituted four, five and six membered saturated alicyclic molecules. Conformational analysis of mono and disubstituted cyclohexanes and piperidines. E-Z nomenclature for isomeric olefins. Stereochemistry of aliphatic nucleophilic substitutions in acyclic and bicyclic systems. Stereochemistry (specific or selective) of dihydroxylations, halogen addition, hydroborations and Diels Alder reaction of suitably substituted olefinic double bonds. Steraspecfic E-2 eliminations in erythro – threo isomers.Reduction of ring substituted cyclohexanones to cyclohexanols. UNIT 6 Mechanism of SN-1, reactions in substrates with various types of NGP. Methods of generation and mechanisms of reactions proceeding via carbenes and nitrenes. Concreted reactions: Mechanism of electrocyclic and chelotropic reactions and sigmatropic rearrangements. Photochemical reactions: Mechanisms of Norrish - I and II types, Paterno Buchi and Barton. reactions, di-β methane rearrangements. Rearrangements: Mechanisms of rearrangements proceedings via carbonium ions (Wagner Meerwin pinacol – pinacolone and Demjanov type) and electrophilic heteroatoms (Baeyer Villiger and Curtius type). Mechanism of nucleophilic substitution in activated aryl halides. Regiochemistry of aryne generation and subsequent [additions of 0, m and p-substituted aryl halides. UNIT 7 Organic synthesis: Synthesis and any di and trisubstituted benzene derivatives from any mono substituted benzene or benzene itself. Synthesis of simple compounds using C-C bond forming reactions involving Wittig, Wittig Honner, Gilmann Reagents, organolithiums, Grignards, Robinson annulation, Dickmann condensation, Knovenagel, Mannisch. Stork enamine, and Vilsmeyer reactions and umplolung. (1,3-dithane). Synthetic transformations involving Swern oxidation, Birch Wolf Kishner and metal hydride reductions, catalytic hydrogenations and reagents like tributyltin hydride, trimethylsilyl iodide, LDA, n-BuLi, Raney nickel, NBS Chromium reagents, DCC and Pd. Application of protective group concept (aldelydes,ketones and carboxylic acids) during multistep synthesis. Spectral identification of organic intermediates by IR (functional group) PMR and CMR and Mass. spectra. (simple molecules only).