PH3C10/PO3C10 Physical Chemistry M.Sc Model Question Paper : mgu.ac.in
Name of the University : Mahatma Gandhi University
Department : Chemistry
Degree : M.Sc. Pharmaceutical Chemistry
Subject Code/Name : PH3C10/PO3C10 Physical Chemistry
Sem : III
Website : mgu.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/5119-III%20PH.pdf
Physical Chemistry Model Question Paper :
(common to Pharmaceutical Chemistry and Polymer Chemistry )
Model Question Paper :
Time : 3 Hrs
Related : MGU PH3C09 Synthetic & Bioorganic Chemistry M.Sc Model Question Paper : www.pdfquestion.in/5118.html
Max. Weight: 30
Section A :
(Answer any 10 questions. Each question carries a weight of 1)
01. Define steric factor. Explain how it is related to entropy of activation.
02. Explain with an example how NMR can be used in the study of fast reactions.
03. Compare transition state theory with collision theory.
04. Discuss primary kinetic salt effect.
05. What is cage effect?
06. Differentiate between sedimentation potential and streaming potential.
07. Discuss the effects of pH and temperature on catalysis.
08. Distinguish between excimers and exciplexes.
09. What is meant by photostationary state? Discuss with reference to formation of ozone in the atmosphere.
10. What is immunogold labelling?
11. What is Donnan membrane equilibrium?
12. Define zeta potential.
13. Explain the application of green chemistry in ibuprofen manufacture.
(10 x 1 =10 weights)
Section B :
(Answer any 5 questions by attempting not more than 3 questions from each bunch. Each question carries a weight of 2)
Bunch 1 : (Short Essay Type)
14. What are explosive reactions? Explain the mechanism with a suitable example.
15. What are the principles of green chemistry?
16. Derive the Michaelis-Menten equation.
17. Discuss the kinetics of enzyme inhibition.
Bunch 2 : (Problem Type)
18. A second order reaction has a rate constant k = 2.5 x 10-3 L mol-1 S-1 at 25°C. Its energy of activation is 48 kJ mol-1. Calculate ?S? for the reaction, assuming that the reaction takes place in solution.
19. For a homogeneous gaseous reaction the rate constants are 3.0 x 10-5 L mol-1 S-1 and 1.2 x 10-3 L mol-1 S-1 at 629K and 700K respectively. Calculate the energy of activation and frequency parameter.
20. In a photochemical reaction A ? 2B + C the quantum efficiency with 500 nm light is 2.1 x 102 mol Einstein-1. After exposure of 300 m mol of A to the light 2.28 m mol of B was formed. How many photons were absorbed by A?
21. In an experiment to measure quantum efficiency of a photochemical reaction, the absorbing substance was exposed to 490 nm light from a 100W source for 45 minutes. The intensity of transmitted light was 40% of the intensity of the incident light. As a result of irradiation, 0.344 mol of the absorbing substance decomposed. Determine the quantum efficiency.
(5 x 2 =10 weights)
Section C :
(Answer any 2 questions. Each question carries a weight of 5)
22. a) Explain the BET theory of adsorption.
b) Discuss the use of Langmuir and BET isotherms for surface area determination.
23. a) Explain the principles of ESCA and Auger electron spectroscopy.
b) Discuss the applications of SEM and TEM in the study of surfaces.
24. a) Distinguish between E-type and P-type delayed fluorescence.
b) Discuss the working of solar cells.
c) Discuss the applications of LASER in the study of photochemical kinetics.
25. Give an account of the different types of nanomaterials and their applications. (2 x 5 =10 weights)
CH5DOI.6 : Nanoscience & Nanotechnology
Model Question Paper :
Time : 3 Hours
Max. Weightage : 25
Section A : (Answer all questions. A bunch of 4 questions carries a weightage of 1)
I 1. 1 nanometer = ——- meter.
2. Fullerenes were named after——–
3. What is the expansion of UPES?
4. What is the value of h in Planck;s equation?
II 5. Arrange the following electromagnetic radiations in the increasing order of energy: IR radiation, X-ray, radiowaves, UV radiation
6. SIMS is the abbreviation of—–
7. Give one example of a quantum dot.
8. What is/are the element(s) present in fullerene?
III 9. Who made the historical statement, “There is plenty of rooms at the bottom”?
10. What is SPR in UV-visible studies of nanomaterials?
11. Name one nanoparticle used for antibacterial applications.
12. Give one therapeutic application of C60.
IV 13. What is the opposite of Grey Goo?
14. Name one method used for preparing carbon nanotubes?
15. Name one destructive nanobot.
16. Nanomaterial used in MRI?
Section B : [Answer any five questions. Each carries a weightage of 1]
17. Why objects in the nanoscale cannot be seen by visible light?
18. What are quantum dots?
19. What are nanosensors?
20. What is meant by top-down and bottom-up approaches?
21. What makes the fusion of nanotechnology and biology possible?
22. What makes the nanoparticle suitable for nasal administration?
23. Why gold nanoparticles are frequently used in the synthesisi of nano-bio
24. assemblies?