Union Public Service Commission
SYLLABI FOR THE EXAMINATION
PART-B
MAIN EXAMINATION
CHEMISTRY
PAPER - I
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 dipolemoments ;
Valencebond theory, concept of resonance and resonance energy; Molecular orbital
theory (LCAO method); bonding in H2 + , H2 , He 2 + to Ne 2 , NO, CO, HF,
and 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, lat t ice st ructures and uni t cel l ; 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 and CaF 2 ;
Stoichiometric and nonstoichiometric defects, impurity defects, semi-conductors.
4. The Gaseous State and Transport Phenomenon:
Equation of state for real gases, inter- olecular 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 energy, wetting and contact angle, interfacial tension and capillary
action.
6. Thermodynamics: Work, heat and internal energy;
first law of 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; 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,
relation between equilibrium constant and thermodynamic quantities; Nernst heat
theorem, introductory idea of 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.
