BSc Biotechnology Sem II 2021 2022 May 2022 BT PHYSICAL CHEMICAL II Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1. Attempt all questions

1. Q3 Use of log tables and non-programmable calculator is allowed
2. Q4 For Q2, Q3 and Q4 attempt (A and B) OR (C and D)
3. Q1 Attempt Multiple choice questions. 40 marks
4. Q4 Acontinuous sequence of consecutive states intermediate through states which the and the system passes is known as
5. Q2 The of a system is defined as the sum of the internal energy of the system and the energy that arises due to its pressure and volume process is carried out at constant pressure
6. Q4 The area around the system is known as
7. Q5 Volume is an property
8. Q6 The law of energy conservation is law of Thermodynamics
9. Q7 Which of the following is extensive property?
10. Q8 The refers to the relationship between the rate of a chemical reaction and the concentration of the species taking part in it (Order of reaction, average rate constant, instantaneous rate constant, rate law)
11. Q9 Which of the following statements about the catalyst is true?
    • a. Acatalyst accelerates the rate of reaction by bringing down the activation
    • b. does not participate in the reaction mechanism,
    • c. Acatalyst makes the reaction feasible by making AG more negative,
    • d. A catalyst makes equilibrium constant more favourable for forward
12. Q10 Inthe rate equation, when the concentration of reactants is unity then the rate is equal to (specific rate constant, average rate constant, instantaneous rate
13. Q11 For achemical reaction it is found that the rate of reaction doubles when the concentration of A is increased four times. The order of reaction is
14. Q12 the integrated rate equation for a first order reaction?
15. Q13 Which of the following factor does not affect the rate of reaction? (Concentration of the reactant, Temperature, Pressure, Effect of catalyst)
16. Q14 What will be the order of reaction if the rate law is given by
17. Q15 the sum oxidation number of elements in +2, -1, 0)
18. Q16 Select the compound in which iodine shows oxidation number -1
19. Q17 Oxidation number of Hin (-1, +1, 0, +2)
20. Q18 Indicate the oxidizing agent in the following reaction:
21. Q49 Oxidation number of H in NaH, and LiH, respectively is
22. Q20 Which of the following rules is NOT correct with respect to oxidation number?
    • a. The oxidation number of hydrogen is always +1
    • b. The algebraic sum of all oxidation numbers in a compound is Zero
    • c. An element in the free or the uncombined state bears oxidation number
    • d. In all its compounds, the oxidation number of fluorine is -1 reaction 2 kJ of heat is released by the system and 6 kJ of 07 work is done on the system. Determine AH and AU Give detailed account on Thermodynamic Processes 07
23. Q2 D_ Give 4 examples of extensive properties. 4 marks
24. Q3 A_ Find out the average rate of reaction between 200s to 800s using the given following data. 2 —> 4 NO2 + 7 marks
25. Q3 B the overall order of reaction? Give one example. Explain half life of first order of reaction with an example. 07 molecularity of an elementary reaction along with one example. 04 4 marks
26. Q4 A_ Balance the following redox reaction by lon electron method: 7 marks
27. Q4 B _ Indicate the oxidising and reducing agent in the following reactions: Balance the following equations by oxidation number method: 07 4 marks
28. Q4 D_ Write the following redox reactions in the oxidation and reduction half 4 marks
29. Q5 Do as directed (Any TWO) 2 marks
    • a. State True or False: A reversible process is a process in which the change is carried out such that the system and the surrounding are always in not equilibrium
    • b. Average rate of reaction
    • c. Define oxidation number
    • d. What is a substitution reaction?

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