B.TECH DEGREE EXAMINATION, DEVEMBER 2009
THIRD SEMESTER
CHEMICAL AND ELECTROCHEMICAL ENGINEERING
CK 202 PHYSICAL CHEMISTRY
PART A
Answer all questions
1. What are the failures in classical mechanics and success in quantum mechanics?
2. What is the difference between Bohr atom and the quantum mechanical atom?
3. What are symmetry operators?
4. How many operations are possible for plane of symmetry? Mention the operators?
5. Distinguish between singlet and triplet states of molecules.
6. State Grothuss-Draper law of photochemistry.
7. Calculate the translation partition function for one mole of N2 at 2 atm. Pressure at 27 C assuming the gas to behave ideally.
8. What are the three independent conditions that a Boltzmann system of particles at equilibrium must obey?
9. What is Born charging contribution in ion-solvent interaction?
10. What is meant by true electrolytes? What are the characteristics fo true electrolytes? Give examples.
Part B
11. Explain the molecular orbital wave functions for hydrogne molecule in detail.
(or)
12. Construct molecular orbital energy level diagram for CO molecules with detailed explanation.
13. (a) Describe the different types of symmetry operations and symmetry elements.
(b) What is group and what are the characteristics of a group?
(or)
14. (a) Distinguish between point groups and space groups.
(b) What are the rules for determining the classes of a group?
(c) Discuss the application of group theory in determining crystal structure.
15. (a) Explain the photochemical phenomena with the help of Jablonski diagram.
(b) Deduce the photochemical kinetic rate for the H2 – CO2 reaction system.
(Or)
16. Give a detailed account on the magnetic properties of a molecule and explain the measurement of magnetic susceptibility.
17. Derive the Maxwell distribution law for particular energy level wiht degeneracey. Show that ß=1/KT. (Or)
18. Consider a system of Boltzmann particles in energy levels 0,kt,2kt, 3kt..etc. calculate the molecular partition function for the system if the energy levels are non-degenerate.
19. (a) Derive an expression for ?H and ?S of ion-solvent interaction.
(b) Write short note on transport numbers.
(or)
20. (a) How will you experimentally verify Born theory of ion-water interation?
(b) How will you account fro the discrepancy between the Born theory and experimental values?
(c) Discuss the ion transport phenomena in liquid electrolytes.
KEYWORDS:CK 202 PHYSICAL CHEMISTRY,CHEMICAL AND ELECTROCHEMICAL ENGG.2009 ANNA UNIVERSITY CHENNAI CK202 PHYSICAL CHEMISTRY B.TECH. (CHEMICAL AND ELECTROCHEMICAL ENGG) CECRI QUESTION PAPER,ANNA UNIVERSITY PHYSICAL CHEMISTRY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS
THIRD SEMESTER
CHEMICAL AND ELECTROCHEMICAL ENGINEERING
CK 202 PHYSICAL CHEMISTRY
PART A
Answer all questions
1. What are the failures in classical mechanics and success in quantum mechanics?
2. What is the difference between Bohr atom and the quantum mechanical atom?
3. What are symmetry operators?
4. How many operations are possible for plane of symmetry? Mention the operators?
5. Distinguish between singlet and triplet states of molecules.
6. State Grothuss-Draper law of photochemistry.
7. Calculate the translation partition function for one mole of N2 at 2 atm. Pressure at 27 C assuming the gas to behave ideally.
8. What are the three independent conditions that a Boltzmann system of particles at equilibrium must obey?
9. What is Born charging contribution in ion-solvent interaction?
10. What is meant by true electrolytes? What are the characteristics fo true electrolytes? Give examples.
Part B
11. Explain the molecular orbital wave functions for hydrogne molecule in detail.
(or)
12. Construct molecular orbital energy level diagram for CO molecules with detailed explanation.
13. (a) Describe the different types of symmetry operations and symmetry elements.
(b) What is group and what are the characteristics of a group?
(or)
14. (a) Distinguish between point groups and space groups.
(b) What are the rules for determining the classes of a group?
(c) Discuss the application of group theory in determining crystal structure.
15. (a) Explain the photochemical phenomena with the help of Jablonski diagram.
(b) Deduce the photochemical kinetic rate for the H2 – CO2 reaction system.
(Or)
16. Give a detailed account on the magnetic properties of a molecule and explain the measurement of magnetic susceptibility.
17. Derive the Maxwell distribution law for particular energy level wiht degeneracey. Show that ß=1/KT. (Or)
18. Consider a system of Boltzmann particles in energy levels 0,kt,2kt, 3kt..etc. calculate the molecular partition function for the system if the energy levels are non-degenerate.
19. (a) Derive an expression for ?H and ?S of ion-solvent interaction.
(b) Write short note on transport numbers.
(or)
20. (a) How will you experimentally verify Born theory of ion-water interation?
(b) How will you account fro the discrepancy between the Born theory and experimental values?
(c) Discuss the ion transport phenomena in liquid electrolytes.
KEYWORDS:CK 202 PHYSICAL CHEMISTRY,CHEMICAL AND ELECTROCHEMICAL ENGG.2009 ANNA UNIVERSITY CHENNAI CK202 PHYSICAL CHEMISTRY B.TECH. (CHEMICAL AND ELECTROCHEMICAL ENGG) CECRI QUESTION PAPER,ANNA UNIVERSITY PHYSICAL CHEMISTRY QUESTION PAPER,ANNA UNIVERSITY,ANNA UNIVERSITY CHENNAI,ANNA UNIVERSITY COIMBATORE,ANNA UNIVERSITY TRICHY,ANNA UNIVERSITY TIRUNELVELI,ANNA UNIVERSITY MADURAI,ANNA UNIVERSITY SYLLABUS,ANNA-UNIVERSITY RESULTS,ANNA UNIVERSITY DISTANCE EDUCATION,ANNA UNIVERSITY MBA-CENTRE FOR DISTANCE EDUCATION,ANNA UNIVERSITY SCHEDULE OF EXAMINATIONS,ANNA UNIVERSITY ADMISSION,ANNA UNIVERSITY COURSES,ANNA UNIVERSITY ACADEMIC,ANNA UNIVERSITY DEPARTMENTS,ANNA UNIVERSITY RESEARCH,ANNA UNIVERSITY MAIL,ANNA UNIVERSITY QUESTION PAPERS,ANNA UNIVERSITY COUNSELLING DATES,ANNA UNIVERSITY RE-EVALUATION RESULTS