B. Pharm-B.PHARMA 2nd Sem PHARMACEUTICAL CHEMISTRY-II(Punjab Technical University, Jalandhar-2010)

B. Pharm (PTU)
Second Semester Examination (December-2010) 
Pharmaceutical Chemistry-II

Time: 3 Hours Max. Marks: 80

Note: 1) Section A is compulsory.
2) Attempt any Four questions from Section B.
3) Attempt any Three questions from Section C.

Section-A
(15×2=30)
Ques 1a) Name any five physical properties of liquids which are helpful in deciding the chemical constitution of liquids.
Ques 1b) Give one definition of second law of thermodynamics.
Ques 1c) What is kinetic gas equation?
Ques 1d) What happens to the surface tension of a liquid at its critical temperature?
Ques 1e) Define equivalent conductance.
Ques 1f) What are ideal and real gases?
Ques 1g) What is enzyme catalysis? Give example.
Ques 1 h) What is Lambert-Beer law?
Ques 1i) Define the term Gibb's free energy.
Ques 1j) Why is it necessary to platinize the electrode of a conductivity cell before it is used for conduction measurement?
Ques 1k) What is refractive index?
Ques 11) Absolute temperature scale.
Ques 1m) Define colligative property. Give examples.
Ques 1n) Explain the term viscosity and viscosity coefficient.
Ques 1o) Define dipole moment with example.

Section-B
(4×5=20)
Ques 2) What are the postulates of Kinetic Theory of Gases? .

Ques 3) What is Parachor ? Give one example to show its use in molecular structure determination.

Ques 4) Write short note on Debey-Hukel theory of electrolyte conductance.

Ques 5) Discuss third law of thermodynamics with its significance.

Ques 6) Calculate the molar refraction of acetic acid (CH3COOH) at temperature at which its density is 1.046g/cm3. The experimentally observed value of refractions index at this temperature is 1.3715 (Molecular mass of acetic acid = 60).

Section-C
(3×10=30)
Ques 7) Name and state the law governing the distribution of a solute between two immiscible liquids. Discuss the application of this law in the process of solvent extraction.

Ques 8) Explain what you understand by "reaction order" and "overall reaction order". How would you establish that reaction is first order?

Ques 9) Solve the Schrodinger wave equation for a particle in a one dimensional box and find the expression for the energy.

Ques 10) Discuss in detail the Jablenski diagram.