KPK PMS Chemistry Paper I – 2008

Note: Read the following instructions carefully.

1. Attempt any Five questions
2. All questions carry equal marks
3. Extra attempt of any question or any part will not be considered
4. Candidates must draw two straight lines at the end to separate each question in answer book.

Question 1: Derive Schrodinger’s wave equation. How it is applied to a particle in one dimensional box?

Question 2: Answer the following questions.

1. Give the postulates of Deby-Huckel theory and derive an expression for weak electrolytes.
2. What is a Galvanic cell? How does it differ from an electrolytic cell?

Question 3: Answer the following questions.

1. Define first law of thermodynamics. Give its mathematical form.
2. Derive the relationship between standard free energy change an equilibrium constant.

Question 4: What are Silicones? How are they prepared? Discuss their properties and uses.

Question 5: Answer the following questions.

1. What are the raw materials of glass? How glass is manufactured?
2. How Silver occur in nature? How is it extracted from its ores?

Question 6: Answer the following questions.

1. What are Transition metals? Describe their characteristics properties.
2. Discuss how CFT explain the colours of metal complexes?

Question 7: What is meant by air pollution?  What are major primary pollutants produced by human activity?