Chhatrapati Shahu Ji Maharaj University 2009 B.Sc Mathematics BSc(Part II) , CHEMISTRY First (Inorgic chemistry) - Question Paper
Saturday, 19 January 2013 09:05Web
Time : three Hours] [Maxium marks : 33
Note : The ques. paper has 3 parts. Both ques. of part A and B are compulsory. From part B answers only fifteen ques.. Ansewrs of the ques. should be wrutten in not more than 100 words. From part C attempt only 1 ques..
part - A
1 : Which of the complex [Co(NH3)Cl3] and [Cr(NH3)5Cl]Cl2 will provide precipitate with AgNO3 and why ?
2 : compute effective atomic number of corresponding central metal in complexes :
(a) [Pt(NH3)6]4+
(b) [Cr(CO)6]
3 : How redox potential data is usefull in extraction of elements ?
4 : Write down the nature of products when silver chloride is treated with barium nitrate in liquid ammonia.
5 : What lanthanide contraction ? discuss.
6 : discuss with examples the principle involved in the subsequent metallurgical operations :
(a) Gravity seperation
(b) Electron-refining
7 : Name the possible source of precipitation during gravimetric analysis. How these can be eliminated ?
8 : 4d and 5d transitional metals much resemble with every other. Why?
9 : elaborate the characteristics of 'chelate' compounds ? provide examples.
10 : discuss Lux-Flood acids and bases.
11 : elaborate the trans-uranium elements ? discuss.
12 : Distinguish ranging from oxidation number and valency.
13 : What is effective atomic number ? compute effective atomic number of chromium in [Cr(CO)6].
14 : discuss metal-metal bonding provided 2 example.
15 : Write down the principles of Werner's Co-ordination theory.
16 : All the actinides resemble 1 a different very closely. explain.
17 : Write down 4 charcteristic of transitional elements including electronic structure.
18 : discuss amphoteric substances.
19 : Classify ligands on the basis of numbers of donor atoms.
20 : Name the elements which comprises 2nd transition series.
part - C
21 : What is Gravimetric analysis ? How barium can be estimated gravimetrically by it? explain.
22 : discuss f-block elements. Why are the called inner transition elements ?
23 : define method of sepration of Np and Pu from Uranium in detil.
Earning: Approval pending. |