Punjab Public Service Commission
SYLLABI FOR THE EXAMINATION
PART-B PRELIMINARY
EXAMINATION
CHEMISTRY - CODE NO. (03)
SECTION-A (Inorganic Chemistry)
Atomic Structure : Schrodinger wave equation,
significance of Y1 and Y2, quantum numbers and their significance, radial and
angular probability, shapes of orbitals, relative energies of atomic orbitals as
a function of atomic number. Electronic configurations of elements; Aufbau
principle, Hund’s multiplicity rule, Pauli exclusion principle.
Chemical Periodicity. :Periodic classification of
elements, salient characteristics of s, p, d and f block elements. Periodic
trends of atomic radii, ionic radii, ionisation potential, electron affinity and
electronegativity in the periodic table.
Chemical Bonding. : Types of bonding, overlap of
atomic orbitals, sigma and pi bonds, hydrogen and metallic bonds. Shapes of
molecules, bond order, bond length, V.S.E.P.R. theory and bond angles. The
concept of hybridization and shapes of molecules and ions.
Oxidation States and Oxidation Number.: Oxidation and
reduction, oxidation numbers, common redox reactions, ionic equations. Balancing
of equations for oxidation and reduction reactions.
Acids and Bases. Bronsted and Lewis theories of acids
and bases. Hard and soft acids and bases. HSAB principle, relative strengths of
acids and bases and the effect of substituents and solvents on their strength.
Chemistry of Elements :
(i) Hydrogen.:Its unique position in the periodic table, isotopes, ortho
and para hydrogen, industrial production, heavy water.