Exam Details
| Subject | chemical bonding and main group elements | |
| Paper | ||
| Exam / Course | m.sc. chemistry | |
| Department | ||
| Organization | loyola college | |
| Position | ||
| Exam Date | April, 2018 | |
| City, State | tamil nadu, chennai |
Question Paper
1
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc.DEGREE EXAMINATION -CHEMISTRY
SECOND SEMESTER APRIL 2018
17/16UCH2MC02- CHEMICAL BONDING AND MAIN GROUP ELEMENTS
Date: 26-04-2018 Dept. No. Max. 100 Marks
Time: 01:00-04:00
PART-A
Answer ALL Questions:(10x2=20 marks)
1. What is electro negativity?
2. Define the term enthalpy of solution.
3. Obtain the number of atoms or ions that contributed to BCC and FCC.
4. Define the term Bravais lattice.
5. What are London forces?
6. What are crystalline hydrates? Give an example.
7. Mention the biological importance of potassium.
8. What are superoxides? Give an example.
9. What are block elements?
10. What is inorganic benzene? Give its structure.
PART-B
Answer any EIGHT Questions:(8x5=40 marks)
11. What are ionic compounds? Explain the various factors affecting the formation of ionic compounds.
12. What is lattice energy? Explain the various factors affecting lattice energy.
13. Draw and explain the structure of CsCl.
14. Write a note on Miller indices.
15. What are clathrates? Give their important properties and uses.
16. Draw and explain the structure of ice.
2
17. Explain the anomalous behavior of Be.
18. Explain the preparation, important properties and uses of NaHCO3.
19. Explain the chemistry involved in the borax bead test.
20. Write a brief note on the allotropy of carbon.
21. Explain the structure of diborane.
22. Give the differences between polar and non-polar compounds.
PART-C
Answer any FOUR Questions:(4x10=40 marks)
23.a) Draw and explain Born Haber cycle.
Write the Born-Lande equation and explain the various terms involved in it.(4)
24. Define the term polarization.(2)
State and explain Fajan's rules.(8)
25. What is
Explain Schottky and Frenkel defects?
26. Write short notes on the following
Van der waals forces Ion dipole-dipole interactions
27. Explain the characteristics of oxides of s-block elements.
Write a note on crown ethers.
28. What are Zeolites? Explain their usefulness.
How is hydrazine prepared? How does it react with ozone and Silver nitrate?
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc.DEGREE EXAMINATION -CHEMISTRY
SECOND SEMESTER APRIL 2018
17/16UCH2MC02- CHEMICAL BONDING AND MAIN GROUP ELEMENTS
Date: 26-04-2018 Dept. No. Max. 100 Marks
Time: 01:00-04:00
PART-A
Answer ALL Questions:(10x2=20 marks)
1. What is electro negativity?
2. Define the term enthalpy of solution.
3. Obtain the number of atoms or ions that contributed to BCC and FCC.
4. Define the term Bravais lattice.
5. What are London forces?
6. What are crystalline hydrates? Give an example.
7. Mention the biological importance of potassium.
8. What are superoxides? Give an example.
9. What are block elements?
10. What is inorganic benzene? Give its structure.
PART-B
Answer any EIGHT Questions:(8x5=40 marks)
11. What are ionic compounds? Explain the various factors affecting the formation of ionic compounds.
12. What is lattice energy? Explain the various factors affecting lattice energy.
13. Draw and explain the structure of CsCl.
14. Write a note on Miller indices.
15. What are clathrates? Give their important properties and uses.
16. Draw and explain the structure of ice.
2
17. Explain the anomalous behavior of Be.
18. Explain the preparation, important properties and uses of NaHCO3.
19. Explain the chemistry involved in the borax bead test.
20. Write a brief note on the allotropy of carbon.
21. Explain the structure of diborane.
22. Give the differences between polar and non-polar compounds.
PART-C
Answer any FOUR Questions:(4x10=40 marks)
23.a) Draw and explain Born Haber cycle.
Write the Born-Lande equation and explain the various terms involved in it.(4)
24. Define the term polarization.(2)
State and explain Fajan's rules.(8)
25. What is
Explain Schottky and Frenkel defects?
26. Write short notes on the following
Van der waals forces Ion dipole-dipole interactions
27. Explain the characteristics of oxides of s-block elements.
Write a note on crown ethers.
28. What are Zeolites? Explain their usefulness.
How is hydrazine prepared? How does it react with ozone and Silver nitrate?
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Subjects
- analytical chemistry
- applied chemistry lab
- basic concepts in inorganic chemistry
- biochemistry and natural products
- chemical bonding and main group elements
- chemistry of food and consumer products
- chemistry of hydrocarbons
- coordination chemistry
- electrochemistry
- gravimetric analysis and organic preparations
- industrial chemistry
- industrial intenship
- inorganic qualitative analysis
- materials science
- mathematics for chemistry – i
- medicinal and pharmaceutical chemistry
- organic functional groups-ii
- organic qualitative analysis
- phase equilibria and kinetics
- physical chemistry practical
- physics for chemistry – i
- physics for chemistry – ii
- physics for chemistry ii lab
- physics for chemistry practical – i
- quantum chemistry and physical processes
- spectroscopy
- stereochemistry and organic functional groups-i
- synthetic organic chemistry and heterocyclic compounds
- thermodynamics
- transition elements and nuclear chemistry
- volumetric analysis