NWFP PUBLIC SERVICE COMMISSION, PESHAWAR
COMPETITIVE EXAMINATION FOR PROVINCIAL MANAGEMENT SERVICE, 2008
CHEMISTRY PAPER-I
Time Allowed; 03 Hours Max. Marks; 100
NOTE: Attempt any FIVE questions. All questions carry equal marks.
Q.No.1 Derive Schrodinger’s wave equation. How is it applied to a particle in a one dimensional box? (20)
Q.No.2 (a) Give the postulates of Debye Huckel theory and derive an expression for weak electrolytes. (10)
(b) What is a Galvanic cell? How does it differ from an electrolytic cell? (5, 5)
Q.No.3 (a) Define first law of thermodynamics. Give its mathematical form. (12)
(b) Derive the relationship between standard free energy and change an equilibrium constant. (8)
Q.No.4 What are Silicones? How are they prepared? Discuss their properties and uses. (5, 5, 10)
Q.No.5 (a) What are the raw materials of glass? How glass is manufactured? (4, 6)
(b) How Silver occurs in nature? flow it is extracted from its ores. (3, 7)
Q.No.6 (a) What are Transition Metals? Discuss their characteristics properties. (2, 10)
(b) Discuss how CFT explains the colors of the metal complexes. (8)
Q.No.7 What is meant by air pollution? What are the major primary pollutants produced by human activity? (20)