MSc Chemistry (Organic And Analytical) SEM I 2023 2024 Feb 2024 PHYSICAL CHEMISTRY I Question Paper - Mumbai University | munotes

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1. Q2 Figure to the right indicates full marks
2. Q3 Use of non — programmable scientific calculator is allowed Atomic mass of H= 14,0 = = 32, Cl 1.A) Attempt any two of the following:
   • ii) Show that the rate of polymerization reaction is proportional to square 04 root of its initial concentration of the monomer
   • iii) The rate of formation of C in the reaction, 04 2C+3D is 5molL''s". State the rate of reaction and the rates of formation or consumption of A, B and D
   • iv) Explain the formation and decomposition of phosgene. 04 2.A) Attempt any two of the following:
3. Q1 a) Explain the Electrophoretic effect for the conductance of strong 2 marks
   • b) Calculate the mean ionic activity coefficient of 0.05m Al2 (SO4)3 in 02 aqueous solution at 298K. (Given: A = 0.509 at 298 K)
   • ii) With the help of diagram explain construction and working of 04 ili) Calculate the resting membrane potential for the following: 04 (Given that at 298K = 61)
   • iv) Explain Debye-Falkenhagen effect and Wein effect for the conductance 04 of strong electrolytes 3.A) Attempt any three of the following:
4. Q1 Explain Consecutive reaction with two examples. 3 marks
   • ii) Explain three explosion limits of non — stationary chain reaction. 03
   • iii) Discuss the gas phase combustion reaction between H2 and 03
   • iv) Write a note on the electrochemical enzyme — catalysed oxidation of 03
   • v) Write the Debye-Huckel-Onsager equation and explain its validity for 03
   • vi) Draw well labelled diagram, one advantage and one application of Solid 03

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