BSc Physics SEM II 2016 17 2016-17 Physical Chemistry II Question Paper - Mumbai University | munotes

Questions asked in this paper

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• N.B: 1. Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 Use of log tables and non-programmable calculator is allowed
3. Q1 Do as directed: (Any Fifteen) 15 marks
4. Q1 State the second law of thermodynamics
5. Q2 What is absolute zero temperature?
6. Q3 What is the SI unit of measuring enthalpy?
7. Q4 The amount of heat required to raise the temperature of of water through
8. Q5 State true or false :- Temperature, pressure, and concentrations of reactants affect rate of the
9. Q6 State true or false :- Order of the reaction does not depends on.concentration of reactants
10. Q7 Give one example of a second order reaction
11. Q8 Balance the following reaction: Complete the following reactions: Define the following:
12. Q12 Molecularity of a reaction 13). Chemical kinetics
13. Q15 reactions
14. Q16 method Name the following:
15. Q17 Achange ina system, in which the temperature remains constant: AT = 0
16. Q18 reaction in which the reactants and products are in the same phase
17. Q19 An element or compound that loses (or "donates") an electron to another chemical species in a
18. Q20 Atransient species multi-step reaction mechanism that is produced in the preceding step and consumed subsequent step to ultimately generate the final reaction product
    • Q.P. Code :03842 What is the first law of thermodynamics? Discuss its limitations 08
    • b) Discuss the expansion of an ideal gas and the changes in its thermodynamic equilibrium. 07
    • c) What are state functions? What are they dependent on? Discuss with examples. 08
    • d) Explain an open system. Discuss with examples biochemical systems. 07
19. Q3 a) halftime equation for a second order reaction and their relationship. 8 marks
    • b) Define rate constant of a reaction and explain its characteristics. 07
    • c) first order reaction with one example. 08
    • d) Asecond order reaction is started with 0.05 mol of both the reactants. If the reaction 07 is 40% complete in 10 minutes the time taken for completion of 80% reaction
20. Q4 a) What is the role of a reducing agent in a chemical reaction? Explain using suitable reactions. 8 marks
    • b) statement - reduction reactions always proceeds side by side. 07
    • c) Compute the oxidation number of C in CH20, Ni in and 08
    • d) Show that the formation of sodium chloride from gaseous sodium and gaseous chloride is a redox 07
21. Q5 Write a short note on: (Any Three) 15 marks
    • c) of Reaction Determination of oxidation state using permanganate ions Oxidizing agents with examples

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