UPSC Chemistry Syllabus Paper-1
1. Atomic Structure :
Heisenberg’s uncertainty principle Schrodinger wave equation (time-independent);
Interpretation of wave function, particle in one- dimensional box, quantum numbers, hydrogen atom wave functions; Shapes of s, p, and d orbitals.
2. Chemical bonding :
Ionic bond, characteristics of ionic compounds, lattice energy, Born-Haber cycle; covalent bond and its general characteristics, polarities of bonds in molecules and their dipole moments; Valence bond theory, the concept of resonance and resonance energy; Molecular orbital theory (LCAO method); bonding H2 +, H2 He2 + to Ne2, NO, CO, HF, CN–, Comparison of valence bond and molecular orbital theories, bond order, bond strength, and bond length.
3. Solid State :
Crystal systems; Designation of crystal faces, lattice structures, and unit cell; Bragg’s law; X-ray diffraction 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. The Gaseous State and Transport Phenomenon :
Equation of state for real gases, intermolecular interactions, and critical phenomena and liquefaction of gases; Maxwell’s distribution of speeds, intermolecular collisions, collisions on the wall and effusion; Thermal conductivity and viscosity of ideal gases.
5. Liquid State :
Kelvin equation; Surface tension and surface enercy, wetting and contact angle, interfacial tension and capillary action.
6. Thermodynamics :
Work, heat, and internal energy; first law of thermodynamics.
The 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; Maxwell relations; Temperature, volume, and pressure dependence of U, H, A, G, Cp and Cv, and; J-T effect and inversion temperature; criteria for equilibrium, the relation between equilibrium constant and thermodynamic quantities; Nernst heat theorem, the introductory idea of the third law of thermodynamics.
7. Phase Equilibria and Solutions :
Clausius-Clapeyron equation; phase diagram for a pure substance; phase equilibria in binary systems, partially miscible liquids—upper and lower critical solution temperatures; partial molar quantities, their significance and determination; excess thermodynamic functions and their determination.
8. Electrochemistry :
Debye-Huckel theory of strong electrolytes and Debye-Huckel limiting Law for various equilibrium and transport properties. Galvanic cells, concentration cells; electrochemical series, measurement of e.m.f. of cells and its applications fuel cells and batteries. Processes at electrodes; double layer at the interface; rate of charge transfer, current density; overpotential; electroanalytical techniques: amperometry, ion-selective electrodes and their use.
9. Chemical Kinetics:
Differential and integral rate equations for zeroth, first, second, and fractional order
reactions; Rate equations 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 relaxation methods. Collisions and transition state theories.
Absorption of light; decay of excited state by different routes; photochemical reactions between hydrogen and halogens and their quantum yields.
11. Surface Phenomena and Catalysis:
Adsorption from gases and solutions on solid adsorbents; Langmuir and B.E.T. adsorption isotherms; determination of surface area, characteristics, and mechanism of reaction on heterogeneous catalysts.
12. Bio‐inorganic Chemistry:
Metal ions in biological systems and their role in ion transport across the membranes (molecular mechanism), oxygen-uptake proteins, cytochrome, and ferredoxins.
13. Coordination Chemistry :
- Bonding in the transition of metal complexes. Valence bond theory, crystal field theory, and its modifications; applications of theories in the explanation of magnetism and electronic spectra of metal complexes.
- Isomerism in coordination compounds; IUPAC nomenclature of coordination compounds; stereochemistry of complexes with 4 and 6 coordination numbers; chelate effect and polynuclear complexes; trans effect and its theories; kinetics of substitution reactions in square-planar complexes; thermodynamic and kinetic stability of complexes.
- EAN rule, Synthesis structure and reactivity of metal carbonyls; carboxylate anions, carbonyl hydrides, and metal nitrosyl compounds.
- Complexes with aromatic systems, synthesis, structure, and bonding in metal olefin complexes, alkyne complexes, and cyclopentadienyl complexes; coordinative unsaturation, oxidative addition reactions, insertion reactions, fluxional molecules, and their characterization; Compounds with metal-metal bonds and metal atom clusters.
14. Main Group Chemistry:
Boranes, borazines, phosphazenes and cyclic phosphazene, silicates and silicones,
Interhalogen compounds; Sulphur—nitrogen compounds, noble gas compounds.
15. General Chemistry of ‘f’ Block Element:
Lanthanides and actinides: separation, oxidation states, magnetic and spectral properties; lanthanide contraction.
UPSC Chemistry Syllabus Paper-2
1. Delocalised Covalent Bonding :
Aromaticity, anti-aromaticity; annulenes, azulenes, tropolones, fulvenes, sydnones.
- Reaction mechanisms: General methods (both kinetic and non-kinetic) of study of mechanisms or organic reactions: isotopies, method cross-over experiment, intermediate trapping, stereochemistry; the energy of activation; thermodynamic control and kinetic control of reactions.
- Reactive intermediates: Generation, geometry, stability, and reactions of carbenium ions and carbanions, free radicals, carbenes, benzynes, and nitrenes.
- Substitution reactions:—SN 1, SN 2, and SN I, mechanisms; neighboring group participation; electrophilic and nucleophilic reactions of aromatic compounds including heterocyclic compounds—pyrrole, furan, thiophene, and indole.
- Elimination reactions:—E1, E2, and E1cb mechanisms; orientation in E2 reactions—Saytzeff and Hoffmann; pyrolytic syn elimination—acetate pyrolysis, Chagaev and Cope eliminations.
- Addition reactions:—Electrophilic addition to C=C and C C; nucleophilic addition to C=O, C N, conjugated olefins and carbonyls.
- Reactions and Rearrangements:—
- Pinacol-pinacolone, Hoffmann, Beckmann, Baeyer-Villiger, Favorskii, Fries, Claisen, Cope, Stevens, and Wagner—Meerwein rearrangements
- Aldol condensation, Claisen condensation, Dieckmann, Perkin, Knoevenagel, Witting, Clemmensen, Wolff-Kishner, Cannizzaro, and von Richter reactions; Stobbe, benzoin and acyloin condensations; Fischer indole synthesis, Skraup synthesis, Bischler-Napieralski, Sandmeyer, Reimer-Tiemann, and Reformatsky reactions.
3. Pericyclic reactions:
Classification and examples; Woodward-Hoffmann rules—electrocyclic reactions, cycloaddition reactions [2+2 and 4+2] and sigmatropic shifts [1, 3; 3, 3 and 1, 5], FMO approach.
- Preparation and Properties of Polymers: Organic polymers polyethylene, polystyrene, polyvinyl chloride, Teflon, nylon, terylene, synthetic and natural rubber.
- Biopolymers: Structure of proteins, DNA and RNA.
5. Synthetic Uses of Reagents:
OsO4, HlO4, CrO3, Pb(OAc)4, SeO2, NBS, B2H6, Na-Liquid NH3, LiAIH4, NaBH4, n-BuLi,
Photochemical reactions of simple organic compounds, excited and
ground states, singlet and triplet states, Norrish-Type I and Type II reactions.
Principle and applications in structure elucidation :
- Rotational—Diatomic molecules; isotopic substitution and rotational constants.
- Vibrational—Diatomic molecules, linear triatomic molecules, specific frequencies of functional groups in polyatomic molecules.
- Electronic—Singlet and triplet states. n and transitions; application to conjugated double bonds and conjugated carbonyls Woodward-Fieser rules; Charge transfer spectra.
- Nuclear Magnetic Resonance (1HNMR): Basic principle; chemical shift and spin-spin interaction and coupling constants.
- Mass Spectrometry:—Parent peak, base peak, metastable peak, McLafferty rearrangement.