M.Sc. (Semester III) Examination Nov/Dec-2018
Nanotechnology
ORGANOMETALLIC CHEMISTRY
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
Figure to right indicates full marks.
Draw neat diagrams.
Q.1 Multiple choice questions. 14
Hydrocarbons and their derivatives are examples of
Isomers Isotopes
Inorganic compounds Organic compounds
Organic compounds are mostly soluble in
Non-polar solvent Polar solvents
Metallic solvent Non-metallic solvents
Following is the simplest alkane
Methane Ethane
Propane Butane
Hydrocarbons containing carbon-carbon multiple bonds are
Saturated hydrocarbons Unsaturated hydrocarbons
Alkanes None of these
The characteristic properties of organic molecules depends on the
Cyclic compounds Functional groups
Homologous series None of these
Lower organic compounds are
Non-volatile Volatile
High melting compounds High boiling compounds
Atoms in organic compounds are bonded by bonds.
Ionic Metallic
Covalent Coordinate covalent
Saturated hydrocarbons (alkanes) have
Carbon-carbon single bond Carbon-carbon double bond
Carbon-carbon triple bond Carbon-carbon quad bond
When hydroxyl group is attached to a benzene ring, it is
Haloalkanes Phenols
Ethers Alcohols
10) General formula of monohydric alcohols is
R-OH
R-COOH R-NH2
11) General formula of alkynes is
CnH2n+2 CnH2n
CnH2n-2 None of these
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SLR-VW-37
12) Formula that shows arrangement of atoms in a compound is called
Molecular formula Structural formula
Compound formula Empirical formula
13) are characterized by the presence of hydroxyl group attached to an
aliphatic chain.
Haloalkanes Phenols
Ethers Alcohols
14) Following has two hydrocarbon groups bonded to carbonyl carbon atom?
Aldehydes Ketones
Carboxylic acids Ethers
Q.2 Answer the following. (Any four) 08
What are organometalliccompounds? Give example.
What is catalysis? Give type of catalysis.
Draw the structure of triplet carbene.
What is oxidation of alkene? Give example.
What are olefins? Give example.
Write notes on. (Any two) 06
Methyl derivatives
Oxidation of olefins
Free radicals
Q.3 Answer the following. (Any two) 08
Explain homogenous catalysis.
Explain metal carbene.
Explain aromaticity of cyclopentadienyls.
Answer the following. (Any one) 06
Write the difference between Fischer carbene and Schrock carbine.
Briefly explain Techniques of Organometallic Chemistry.
Q.4 Answer the following. (Any two) 10
Explain heterogenous catalysis with suitable reaction example.
Explain structure and bonding of ferrocenophanes.
Explain structure and bonding of metal carbonyls.
Answer the following. (Any one) 04
Explain Grignard reagents with suitable example.
Explain in brief with suitable example carbonylation of olefins.
Q.5 Answer the following. (Any two) 14
Explain with suitable example oligomerization and polymerization of olefins.
Explain the preparation, structure of metal carbonyls with alkylhalides.
Explain reactions of metalcarbonyls with cyanides and isocyanides
complexes.