B.Sc. - FIRST YEAR
                                                            CHEMISTRY
B.Sc. - FIRST YEAR
CHEMISTRY
There shall be three written papers and a practical examination as follows:
Max. Marks
Paper – I Inorganic Chemistry 33
Paper – II Organic Chemistry 33
Paper – III Physical Chemistry 34
TOTAL 100
PRACTICAL 50
GRAND TOTAL 150
Candidate will be required to pass in Theory and Practical Separately. B.Sc. – I Chemistry (Paper-I)
Inorganic Chemistry :
Unit – I
I. Atomic Structure:
Idea of de-Broglie matter waves, Heisenberg uncertainty principle, atomic
orbitals, Schrödinger wave equation, significance of Ψ and Ψ
2
, quantum
numbers, radial and angular wave functions and probability distribution curves,
shapes of s, p, d, orbitals, Aufbau and Pauli exclusion principles, Hund's
multiplicity rule, Electronic configurations of the elements, effective nuclear
charge.
II. Periodic Properties:
Atomic and ionic radii, ionization energy, electron affinity and electronegativitydefinition, methods of determination or evaluation, trends in periodic table and
applications in predicting and explaining the chemical behaviour.
Unit – II
III. Chemical Bonding:
(A) Covalent Bond – Valence bond theory and its limitations, directional
characteristics of covalent bond, various types of hybridization and
shapes of simple inorganic molecules and ions, valence shall electron
pair repulsion (VSEPR) theory to NH3, H3O
+
, SF4, CIF3, ICl-
2 and H2O,
MO theory, homonuclear and heteronuclear (CO and NO) diatomic
molecules, multicenter bonding in electron deficient molecules, bond
strength and bond energy, percentage ionic character from dipole
moment and electro-negativity difference.
(B) Ionic Solids – Ionic structures, radius ratio effect and coordination
number, limitation of radius ratio rule, lattice defects, semiconductors,
lattice energy and Born-Haber cycle, salvation energy and solubility of
ionic solids, polarizing power and polarisability of ions, Fajan's rule,
Metallic bond-free electron, valence bond and band theories.
(C) Weak Interactions – Hydrogen bonding, Vander Waals forces.
Unit – III
IV. s-Block Elements:
Comparative study, diagonal relationship, salient features of hydrides, solvation
and complexation tendencies including their function in biosystems, an
introduction to alkyls and aryls.
V. Chemistry of Noble Gasses:
Chemical properties of the noble gases, chemistry of xenon, structure and
bonding in xenon compounds.
Unit – IV
VI. p-Block Elements:
Comparative study (including diagonal relationship) of groups 13-17 elements,
compounds like hydrides, oxides, oxyacids and halides of group 13-16,
hydrides of boron-diborane and higher boranes, borazine, borohydrides,
fullerenes, carbides, fluorocarbons, silicates (structural principle), tetrasulphur
tetra nitride, basic properties of halogens, interhalogens and polyhalides.