Exam Details
| Subject | physical chemistry – i | |
| Paper | ||
| Exam / Course | m.sc in chemistry | |
| Department | ||
| Organization | alagappa university | |
| Position | ||
| Exam Date | November, 2017 | |
| City, State | tamil nadu, karaikudi |
Question Paper
M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Chemistry
PHYSICAL CHEMISTRY I
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
1. Distinguish between strong electrolyte and weak
electrolyte.
2. Define electrophoretic effect.
3. Explain the term limiting potential.
4. Write Tafel equation and explain the terms involved in it.
5. Five moles of an ideal gas expland reversibly from a
volume of 8 lit to 80 lit at a temperature at 300 K.
Calculate the change in entropy.
6. Define activity and its coefficient.
7. What is meant by FOD statistics?
8. Calculate the translational partition function for benzene
(molar mas 78 g mol-1) in a volume of 1 m3 at 298 K.
9. Define osmosis and osmotic pressure.
10. What are the applications of adsorption?
Sub. Code
4MCH1C3
AFF-4878
2
Ws6
Part B x 5 25)
Answer all questions choosing either or
11. Derive Debye-Huckel-onsager equation.
Or
Explain Debye-Falkenhagen effect.
12. What is overvoltage? Discuss the important
applications of this phenomenon.
Or
Explain the different types of reactions occur at an
electrode surface.
13. Define chemical potential. Derive the Gibbs-Duhem
equation.
Or
Derive Maxwell's relations.
14. Derive the expression for Fermi-Dirac statistics.
Or
Explain the probability theorem with suitable
example.
15. Define Chemisorption. How does it differ from
physisorption?
Or
Discuss the BET theory of multiplayer adsorption.
AFF-4878
3
Ws6
Part C x 10 30)
Answer any three questions.
16. Derive Debye-Huckel limiting law (DHLL) and verify it.
17. Explain the stern model of electrical double layer.
Derive the Butler Volmer equation.
18. Derive Gibbs-Helmholtz equation.
How do you determine the fugacity of real gases?
19. Derive the classical distribution in a canonical
ensemble.
Derive the expression for Bose-Einstein statistics.
20. Describe briefly Langmuir's theory of adsorption. Derive
an expression for Langmuir's of adsorption isotherm.
At what conditions, Langmuir adsorption becomes
identical with Freundlich adsorption isotherm.
————————
First Semester
Chemistry
PHYSICAL CHEMISTRY I
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all the questions.
1. Distinguish between strong electrolyte and weak
electrolyte.
2. Define electrophoretic effect.
3. Explain the term limiting potential.
4. Write Tafel equation and explain the terms involved in it.
5. Five moles of an ideal gas expland reversibly from a
volume of 8 lit to 80 lit at a temperature at 300 K.
Calculate the change in entropy.
6. Define activity and its coefficient.
7. What is meant by FOD statistics?
8. Calculate the translational partition function for benzene
(molar mas 78 g mol-1) in a volume of 1 m3 at 298 K.
9. Define osmosis and osmotic pressure.
10. What are the applications of adsorption?
Sub. Code
4MCH1C3
AFF-4878
2
Ws6
Part B x 5 25)
Answer all questions choosing either or
11. Derive Debye-Huckel-onsager equation.
Or
Explain Debye-Falkenhagen effect.
12. What is overvoltage? Discuss the important
applications of this phenomenon.
Or
Explain the different types of reactions occur at an
electrode surface.
13. Define chemical potential. Derive the Gibbs-Duhem
equation.
Or
Derive Maxwell's relations.
14. Derive the expression for Fermi-Dirac statistics.
Or
Explain the probability theorem with suitable
example.
15. Define Chemisorption. How does it differ from
physisorption?
Or
Discuss the BET theory of multiplayer adsorption.
AFF-4878
3
Ws6
Part C x 10 30)
Answer any three questions.
16. Derive Debye-Huckel limiting law (DHLL) and verify it.
17. Explain the stern model of electrical double layer.
Derive the Butler Volmer equation.
18. Derive Gibbs-Helmholtz equation.
How do you determine the fugacity of real gases?
19. Derive the classical distribution in a canonical
ensemble.
Derive the expression for Bose-Einstein statistics.
20. Describe briefly Langmuir's theory of adsorption. Derive
an expression for Langmuir's of adsorption isotherm.
At what conditions, Langmuir adsorption becomes
identical with Freundlich adsorption isotherm.
————————
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Subjects
- chemistry of inorganic complexes
- elective – corrosion chemistry
- elective — green chemistry
- elective — industrial chemistry
- elective — molecular photochemistry
- elective — pharmaceutical chemistry
- elective — polymer chemistry
- inorganic chemistry
- inorganic chemistry - ii
- inorganic chemistry — iii
- instrumental methods of analysis
- natural products and introductory biochemistry — (elective iii)
- organic chemistry – iii
- organic chemistry — i
- organic chemistry — ii
- physical chemistry
- physical chemistry – i
- physical chemistry – iii
- physical chemistry — ii
- quantum chemistry group theory kinetics and surface chemistry
- reactive intermediates photochemical and concerted reactions
- structural inorganic chemistry and photochemistry