Madurai Kamraj University (MKU) 2006 M.Sc Chemistry ", 5 - INORGANIC " - Question Paper
This Is for the MK DDU - "M.SC IN CHEMISTRY-MAY 2006 examination ques. Papers", and please Refer to the Attached File,
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It's For "M.SC IN IN CHEMISTRY-MAY 2006 examination ques. Papers ", It'a Course in "Madurai Kamaraj University" or %MK University% in Distance Education Mode
The paper Name Is "M.SC CHEMISTRY,PAPER five - INORGANIC CHEMISTRY"
This ques. Paper is applicable for those who joined on or after MAY 2006 .
rliodfraims Describe
(6 pages)
INORGANIC CHEMISTRY II
3. (a) Give the MO energy level diagram for [Co(CN)6]3' and [CoFaf" and discuss. (10)
Or
(b) (i) Describe the electronic configuration of FeFg" and [Fe (CN)e ]3 in terms of VBT and CFT. (5)
(iij Cu2+ is stable in tetragonal field, whereas Au2+ disproportionate into Au (I) and Au (III)
Explain. (5)
UNIT II
4. (a) Illustrate template effect with an example. (2)
(b) The formation of [Cu (en)3]2+ is not observed in solution. (2)
5. (a) Distinguish between SN2 and SN1CB mechanisms for the acid hydrolysis of Co (III) complexes. (6)
Or
(b) Give the structure of carboxypeptidase A. Describe how it is involved in the mechanism for the hydrolysis of a peptide. (6)
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6. (a) Obtain a relationship between overall and stepwise formation constant of a complex. Describe Jobs method for the determination of the formation constant for [Cu(NH3)J2+. (10)
Or
(b) Compare inner and outer sphere electron transfer reaction mechanisms. (10)
UNIT III
7. (a) Comment on the structure of [HFe3 (CO)n] .
(2)
(b) Arrange cobaltocene, ferrocene and nickelocene in the decreasing order of their stabilities. Justify your answer. (2)
8. (a) Explain the catalytic mechanism of Ziegler-Natta catalyst for the polymerisation of propylene. (6)
Or
(b) Write a brief note on bipyridyl and dithiolene complexes. (6)
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9. (a) (i) What is fluxional behaviour? How will you study it? (5)
(ii) Comment on the structure of Zeieses salt. (5)
Or
(b) (i) Illustrate the application of In spectroscopy in the study of Metal carbonyls and nitrosyls. (5)
(ii) Discuss the catalyst cycle of hydroformylation using Co metal catalyst. (5)
UNIT IV
10. (a) Comment on the XPS of 02 molecule. (2)
(b) Compare the colour of Mn (II) complexes with that of [Mn04]_1 and explain. (2)
11. (a) Arrange K,[Fe(CN)6], K3 [Fe(CN)e], K3 [Fe(CN)5 (NH3)] and Na3 [Fe (CN)G (NO)] in the increasing order of their isomer shifts. Justify your answer. (6)
Or
(b) What are micro states? Deduce all the micro states for ndz system. (6)
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{P.T.O.]
12. (a) What are Or gel and TS diagrams? Describe the electronic spectrum of octahedral Ni (II) complexes. The electronic spectrum of [Ni(NH3)6]2+ shows bands at 10750 cm"1 and 17500 cm'1. Calculate the values of B', fi and 10 Dq. Also, calculate the frequency of the third transition. Given that B for free Ni (II) is 104500 cm-1. (10)
Or
(b) Write notes on :
(i) Auger emission spectroscopy.
(ii) MB spectra of high and low spin Fe (II) and Fe (III) octahedral complexes. (10)
UNITV
13. (a) Distinguish between pyroxenes and am phi bole s. (2)
(b) Illustrate hetero catenation with an example.
(2)
14. (a'' Discuss the bonding in N3P3C16 . Mention two applications of phosphazenes. (8)
Or
(b) Discuss the structure of 12-phosphomolybdic acid. (6)
15. (a) (i) Describe the concept of electron deficiency by citing B4H1Q as an example. (5)
(ii) How is S4N4 prepared? Describe its properties and structure. (5)
Or
(b) Write notes oil:
(i) Zeolites and molecular sieves.
(ii) Carborates. (10)
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