Sullabus : Vohra Physical Chemistry for BSC Semester 1st Panjab University Chandigarh,
Time: 3 Hrs.
Max. Marks: 22+3
30 Hrs. (2 Hrs/week)
3 Periods/week
OBJECTIVE OF THE COURSE
To teach the fundamental concepts of Physical Chemistry and their applications. The syllabus
pertaining to B.Sc. (GENERAL) (Semester System) in the subject of Chemistry has been upgraded as per
provision of the UGC module and demand of the academic environment. The course contents have been
revised from time to time as per suggestions of the teachers of the Chemistry working in the Panjab
University, Chandigarh and affiliated colleges. The syllabus contents are duly arranged unit wise and contents
are included in such a manner so that due importance may be given to requisite intellectual and laboratory
skills.
UNIT-I (8 Hrs.)
Mathematical Concepts and Evaluation of Analytical Data:
Logarithmic relations, curve sketching, linear graphs and calculation of slopes, differentiation and integration
of functions like ex
, x
n
, sin x, log x; maxima and minima, partial differentiation and reciprocity relations.
Terms of mean and median, precision and accuracy in chemical analysis, determining accuracy of methods,
improving accuracy of analysis, data treatment for series involving relatively few measurements, linear least
squares curve fitting, types of errors, standard deviation.
UNIT-II (7 Hrs.)
Gaseous States:
Postulates of kinetic theory of gases, deviation from ideal behavior, Van der Waal’s equation of state.
Critical Phenomena:PV isotherms of real gases, continuity of states, the isotherms of Van der Waal’s
equation, relationship between critical constants and Van der Waal’s constants, the law of corresponding
states, reduced equation of state.
MolecularVelocities: Root mean square, average and most probable velocities. Qualitative discussion of the
Maxwell’s distribution of molecular velocities, collision number, mean free path and collision diameter.
Liquification of gases (based on Joule-Thomson effect).
UNIT-III (8 Hrs.)
Chemical Kinetics-I
Chemical kinetics and its scope, rate of a reaction, factors influencing the rate of a reaction- concentration,
temperature, pressure, solvent, light, catalyst. Concentration dependence of rates, mathematical characteristics
of simple chemical reactions – zero order, first order, second order, pseudo order, half life and mean life.
Determination of the order of reaction – differential method, method of integration, method of half life period
and isolation method.
Radioactive decay as a first order phenomenon.
UNIT-IV (7 Hrs.)
Chemical Kinetics-II
Theories of Chemical Kinetics: Effect of temperature on rate of reaction, Arrhenius equation, concept of
activation energy.
Simple collision theory based on hard sphere model, transition state theory (equilibrium
hypothesis).Expression for the rate constant based on equilibrium constant and thermodynamic aspects.
Catalysis and general characteristics of catalytic reactions, Homogeneous catalysis, acid-base catalysis and
enzyme catalysis including their mechanisms, MichaelisMenten equation for enzyme catalysis and its
mechanism.
