KHYBER PAKHTUNKHWA, PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION
FOR THE POSTS OF PROVINCIAL MANAGEMENT SERVICES (BPS-17)
CHEMISTRY PAPER II 2016
TIME ALLOWED: 03 HOURS MAX:MARKS: 100
Note: Attempt any Five questions. All questions carry equal marks.
Q1. A) Describe the important features of Valance Bond Theory and Molecular Orbital theory? 12
B) Why Bond angles reduce by increasing lone pairs with examples? 08
Q2. A) According to reaction kinetics which type of reaction occur in our body? Explain 2nd order of reaction with the help of equation? 14
B) Describe the Rate Law with equation? 06
Q3. A) Discuss Homogenous and heterogeneous Catalysis with daily life example? 10
B) Explain optical and geometric isomerism with examples? 10
Q4. A) Write Synthetic applications of Halogen Compounds? 08
B) Describe the bonding and reactivity of Carbonyl compounds? 12
Q5. A) Drive the mechanism of following Electrophilic Substitution Reactions: Nitration, Formylation and Stilphonation? 12
B) What are dyes and applications of dyes in industry? 08
Q6.Explain bonding in Benzene and problems with the Kekulé structure? 20
Q7. A) What are the role of Carbohydrates and fats in body? 08
B) What is Fermentation? How Fermentation processes uses for the preparation of Petro-chemical Industry? 12
Q8. A) What is Aromaticity? Describe the criteria and evidence for Aromaticity? 10
B) What is the role of vitamin in the body. Write a note on vit B and C. 10