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Friday, March 4, 2016

Uniraj B.Sc Part II Inorganic Chemistry 2007 Question Paper

University of Rajasthan Old Question Paper
B.Sc (Part II) Examination , 2007
(Faculty of Science)

[Also Common with Subsidiary Paper of B.Sc. (Hons.) Part II]
(Three Year Scheme of 10+2+3 Pattern)
Chemistry (First Paper)
(Inorganic Chemistry )
Time Allowed: Three Hours
Maximum Marks- 33
Attempt Five Question in All
Select Atleast One Question From Each Section

(Section - A )

1. Why Do Transition Elements Exhibit Variable Oxidation State ? Explain Giving Various Oxidation States Exhibited By First Row Transition Elements. (Marks - 6.5)

2. Explain The Following :-
(i) Colour Of Transition Metal Compounds .
(ii) Melting Point Of Chromium Is The Highest Among The 3D Metals
(iii) Cro Is Basic , Cr2o3 Amphoteric And Cro3 is Acidic. (Marks -2+2+2.5)

( Section - B)
3. Give The Iupac Names , The Oxidation Number Of The Central Metals Atoms And The Number Of Unpaired Electrons In The Following -

(i) [cr(nh3)4cl2] (ii) Na3[co(no2)6] (iii) [ni(co)4].  (Marks -2+2+2.5)

4. Discuss The Valence Bond Theory For Complex Compounds. How Does This Theory Explain The Geometry And Magnetic Properties Of These Compounds ? What Are The Limitations Of This Theory ?  (Marks -6.5)

( Section - C)

5. (a) What Are Lanthanides ? Why Were They Names As 'rare Earths' ?

(b) On The Basis Of Electronic Configuration Of Lanthanides Explain The Anomalous Oxidation States Exhibited By Some of Them. (Marks - 3+3.5)

6. Discuss The Oxidation States And The Electronic Configuration Of Actinides. (Marks - 6.5)

(Section - D )

7. What Is Redox Potential ? On The Basis of Redox Potential Compare the Relative Strength Of Oxidising And Reducing Agents. (Marks - 6.5)

8. Write a Note On Redox System in Water (Marks -6.5)

( Section - E )

9. What Is Lewis Acid-base Concept ? Give Classification of Acids And Bases According To Lewis Theory (Marks 7)

10. What is Meant By Non-aqueous Solvents ? Describe Important Types of Reactions Taking Place In Liquid Ammonia As a Solvent (Marks 7)

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