N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Chemistry, Part-II
PAPER-XIII
(Organotransition Metal Chemistry and Metal Clusters)
Annual Examination, 2016
Time 3 Hours. Full Marks 80
Answer any FIVE Questions.
All questions carry equal marks.
1. How ethylene is polymerized to produce useful materials like plastic, fibers and other materials
by using Ziegler-Natta Catalyst Discuss mechanism involved in it.
2. Explain the formation of multiple metal-metal bonds.
3. Write the methods of preparation, properties, structure and bonding of Zeise's salt.
4. Define and explain organo metallic compounds. Write the classification of organo metallic
compounds with suitable examples. Write the synthetic application of organo copper
compound.
5. Write the mechanism of Fischer-Tropscti reaction.
6. How you will synthesize the bonded organo-transition metal compound.
7. Give an account of chemistry, structure and bonding -allyl complexes of transition metals.
Show the aromatic behaviour of cyclopentadienyl complexes.
8. Discuss the mechanism of oxidation of ethylene using Wacker process.
9. Prepare dinuclear clusters
Re2 X 8 from
Re 04 . How and bonds are formed in

Re2Cl 8 Explain in details.
10. What do you understand by metal nitrosyl How are nitroferrous and sodium
nitroprusside prepared.
How carbonyl of E.A.N. an 18 electron rule Explain it.