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Title:

[QUOTE=hemalathaijt;196022][B]Bangalore University
Government Science College
II Semester B.Sc. Examination
(Semester Scheme)
Chemistry-II
Time: 3 Hours Max.Marks:60[/B]

Instructions: The question paper has two Parts. Both the Parts should be  answered.

[B]Model Question List [/B]: [URL]http://gscblr.kar.nic.in/Exam_Papers.html[/URL]
[B]Model Question Paper[/B] : [URL]http://gscblr.kar.nic.in/files/Che&%20Biochem.doc[/URL]

PART-A
Answer any six of the following question Each question carries 2 marks.     (6x2=12)
1.Based on the molecular orbital theory give the electronic configuration of nitrogen molecule.
2.Write the Born-Lande equation, Explain the terms involved.
3.Mention the conditions for the formation of an ideal solution.
4.How is hydrazine prepared?
5.How is IF7 prepared? Write its structure.
6.Give any two uses of Argon.
7.What are isothermal and adiabatic processes?
8.State first law of thermodynamics. Give its mathematical form.
9.Classify the following into ortho-para and meta orienting groups. - SO3H, -OH,-C2 H5, -CHO
10.State Saytzeff’s rule. Give an example.

PART-B
Answer any eight of the following question Each question carries six marks.  (8x6=48)
11. a) Discuss the structure of Ammonia molecule based on VSEPR theory. 
b) Calculate the bond order of He2 + ion.(4+2)
12. a) Explain SP2 hybridization taking BC13 as an example.
b) Mention any two applications of super conductors.(4+2)
13. a) Explain Inter molecular and Intra molecular hydrogen bonding with suitable example.
b) How is diborane prepared?(4+2)
14. a) What are Zeolites ? Give any two of their applications.
b) Write a note on alkalimetals in liquid ammonia.
15. a) How is xeon tetra fluoride prepared? Explain its strucature.
b) What is the action of water on sulphuryl chloride?(4+2)[/QUOTE]

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