Name of the University : Mahatma Gandhi University
Department : Chemistry
Degree : M.Sc. Analytical Chemistry
Subject Code/Name : AN3C09/CH3C09/PO3C09/Structural Inorganic 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/5107-III%20AN.pdf
Structural Inorganic Chemistry Question Paper :
Third Semester M.Sc. Analytical Chemistry :
AN3C09/CH3C09/PO3C09 Structural Inorganic Chemistry :
(Common to M.Sc. Analytical Chemistry, Chemistry and Polymer Chemistry )
Related : MGU PH3C11 Drug Design & Pharmacology M.Sc Model Question Paper : www.pdfquestion.in/5120.html
MODEL QUESTION PAPER :
Time : 3 Hrs
Max. Weights: 30
Section A :
(Answer any 10 questions. Each question carries a weight of 1)
01. Briefly explain ‘Perovskite’ structure.
02. Explain Martensitic transformation with an example.
03. What is meant by sintering?
04. Define Piezoelectricity. Describe one application of Piezoelectric crystal.
05. Comment on the magnetic properties of ‘Garnets’.
06. What are ‘phosphors’? Explain its application in the working of fluorescent lamps.
07. Define ‘Meissner effect’. Where does it find its applications?
08. Borazine is called inorganic benzene. Why?
09. Illustrate the role of Zeolites as supported metal catalysts.
10. The styx number of B4H10 is (4012). Draw its topological structure.
11. Distinguish between closo, nido and arachno carboranes.
12. Discuss the preparation of Zintl anions and cations of Sn and Bi.
13. What are ceramic materials? Differentiate between traditional and advanced ceramics.
(10 x 1 =10 weights)
Section B :
(Answer any 5 questions. Each question carries a weight of 2)
14. How will you distinguish between Fluorite and Antifluorite structures? Explain.
15. What are the factors influencing solid state reactions?
16. Explain the BCS theory of superconductivity.
17. What is photoconductivity? Give examples of photo conducting materials. How are photoconductors used for detection and measurement of radiation?
18. Explain the concept of heteropoly acids with special reference to Molybdenum.
19. Give a brief note on silicones and their applications.
20. Write a brief account of cage like structures of phosphorous.
21. What are safety glass and fibre glass? How are they made? What are their important uses?
(5 x 2 =10 weights)
Section C :
(Answer any 2 questions. Each question carries a weight of 5)
22. (a) Discuss the structure of AmX2 and ABX3 type crystals.
(b) Discuss the kinetics of phase transitions in solids.
23. Discuss the salient features of classical free electron theory of metals. What are the drawbacks of free electron theory? How are these drawbacks rectified by the introduction of quantum Mechanical Treatment?
24. (a) Give an account of the structure of silicates.
(b) Explain the structure and bonding in poly phosphazenes.
25. (a) How is [Re2Cl8]2- synthesized? Point out the characteristic features in bonding. Mention the evidence of M-M bond in it.
(b) What is ceramic processing? Using a specific example, illustrate the use of sol-gel method in ceramic processing. (2 x 5 =10 weights)
Molecular Spectroscopy : (common to all branches of Chemistry )
Model Question Paper :
Time : 3 Hrs
Max. Weight : 30
Section A : (Answer any 10 questions. Each question carries a weight of 1)
01. Explain the principle of Lamb-dip spectrum.
02. Derive an expression for Jmax for the rigid rotor.
03. What is the effect of substituting a hydrogen atom by a deuterium atom in hydrogen molecule on rotational constant B?
04. Discuss the factors influencing band width.
05. Explain Fermi resonance.
06. Explain the Raman activity of the various modes of vibrations of pyramidal AB3 molecules.
07. Discuss the applications of microwave spectroscopy in chemical analysis.
08. Explain predissociation.
09. Write Mc Connel equation and explain the terms.
10. Explain Kramer’s degeneracy.
11. Calculate the resonance frequency of hydrogen nucleus in an applied field of 2.4 T if βN = 5.05 x 10-27 JT-1 and g = 5.585.
12. Draw the EPR spectrum of methyl free radical.
13. Explain the principle of NQR spectroscopy. (10 x 1 =10 weights)
Section B :
(Answer 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. Explain the various factors influencing the intensity of spectral lines.
15. What are selection rules? Discuss the selection rules in microwave, IR, Raman and EPR spectroscopy.
16. Discuss FT techniques in spectroscopy and explain its advantages.
17. Explain Karplus relationship.
Bunch 2 : (Problem Type)
18. The rotational spectrum of 79Br19F shows a series of equidistant lines separated by 0.71433 cm-1. Calculate the rotational constant, moment of inertia and Br-F bond length.