Notification

UPSC Notification For Civil Services Exam 2024 - AtomicStructure:

1.  AtomicStructure:

CHEMISTRYPAPER-I

Heisenberg's uncertainty principle Schrodinger wave equation (time independent); Interpretation ofwavefunction,particleinone-dimensionalbox,quantumnumbers,hydrogenatomwavefunctions;Shapesofs,panddorbitals.

2. Chemicalbonding:

Ionicbond, characteristicsofioniccompounds,latticeenergy, Born-Habercycle;covalentbond anditsgeneralcharacteristics,polaritiesofbondsinmoleculesandtheirdipolemoments;Valencebondtheory,concept of resonance and resonance energy; Molecular orbital theory(LCAO method); bonding H2 +, H2He2 + to Ne2, NO, CO, HF, CN–,Comparison of valence bond and molecular orbital theories, bond order,bondstrengthandbondlength.

3.  Solidstate:

Crystal systems; Designation of crystal faces, lattice structures and unit cell; Bragg's law; X-raydiffraction by crystals; Close packing, radius ratio rules, calculation of some limiting radius ratio values;Structures of NaCl, ZnS, CsCl, CaF2; stoichiometric and nonstoichiometric defects, impurity defects, semi-conductors.

4.  ThegaseousstateandTransportPhenomenon:

Equationofstateforrealgases,intermolecularinteractions,andcriticalphenomenaandliquefactionofgases;Maxwell’sdistributionofspeeds,intermolecularcollisions,collisionsonthewallandeffusion;Thermalconductivityandviscosityofidealgases.

5.   LiquidState:

Kelvin equation; Surface tension and surface enercy, wetting and contact angle, interfacial tensionandcapillaryaction.

6.  Thermodynamics:

Work,heatandinternalenergy; first lawof thermodynamics.

Second law of thermodynamics; entropy as a state function, entropy changes in various processes,entropy-reversibility and irreversibility, Free energy functions; Thermodynamic equation of state; Maxwellrelations; Temperature, volume and pressure dependence of U, H, A, G, Cp and Cv, and ; J-T effectandinversiontemperature;criteriaforequilibrium,relationbetweenequilibriumconstantandthermodynamicquantities;Nernstheattheorem,introductoryideaofthirdlawofthermodynamics.

7. Phaseequilibriaandsolutions:

Clausius-Clapeyronequation;phasediagramforapuresubstance;phaseequilibriainbinarysystems, partially miscible liquids—upper and lower critical solution temperatures; partial molar quantities,theirsignificanceanddetermination;excessthermodynamicfunctionsandtheirdetermination.

8. Electrochemistry:

Debye-HuckeltheoryofstrongelectrolytesandDebye-HuckellimitingLawforvariousequilibriumandtransportproperties.

Galvaniccells,concentrationcells;electrochemicalseries,measurementofe.m.f.ofcellsanditsapplicationsfuelcellsandbatteries.

Processesatelectrodes;doublelayerattheinterface;rateofchargetransfer,currentdensity;overpotential;electroanalyticaltechniques:amperometry,ionselectiveelectrodesandtheiruse.

9. Chemicalkinetics:

Differential and integral rate equations for zeroth, first, second and fractional order reactions; Rateequations involving reverse, parallel, consecutive and chain reactions; Branching chain and explosions;effect of temperature and pressure on rate constant. Study of fast reactions by stop-flow and relaxationmethods.Collisionsandtransitionstatetheories.

10. Photochemistry:

Absorptionoflight;decayofexcitedstatebydifferentroutes;photochemicalreactionsbetweenhydrogenandhalogensandtheirquantumyields.

11. Surfacephenomenaandcatalysis:

Adsorptionfromgasesandsolutionsonsolidadsorbents;LangmuirandB.E.T.adsorptionisotherms; determination of surface area, characteristics and mechanism of reaction on heterogeneouscatalysts.

12.  Bio-inorganicchemistry:

Metal ions in biological systems and their role in ion-transport across the membranes (molecularmechanism),oxygen-uptakeproteins,cytochromesandferrodoxins.

13.  Coordination chemistry:

  • Valencebondtheory,crystalfieldtheoryanditsmodifications; applications of theories in the explanation of magnetism and elctronic spectra of metalcomplexes.
  • Isomerismincoordinationcompounds;IUPACnomenclatureofcoordinationcompounds;stereochemistryofcomplexeswith4and6coordinationnumbers;chelateeffectandpolynuclearcomplexes;transeffectanditstheories;kinetics of substitution reactions in square-planarcomplexes;thermodynamicandkineticstabilityofcomplexes.
  • EANrule,Synthesisstructureandreactivityofmetalcarbonyls;carboxylateanions,carbonylhydridesandmetalnitrosylcompounds.
  • Complexeswitharomaticsystems,synthesis,structure and  bonding  in  metal  olefin  complexes,alkyne       complexes       and cyclopentadienylcomplexes;coordinativeunsaturation,oxidativeadditionreactions,insertionreactions,fluxionalmoleculesandtheir  characterization;  Compoundswithmetal—metalbondsandmetalatomclusters.

14. MainGroupChemistry:

Boranes,borazines,phosphazenesandcyclicphosphazene,silicatesandsilicones,Interhalogencompounds;Sulphur—nitrogencompounds,noblegascompounds.

15.  GeneralChemistryof‘f’BlockElement:

Lanthanidesandactinides:separation,oxidationstates,magneticandspectralproperties;lanthanidecontraction.

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