Organic Chemistry Mcqs
Our collections of Multiple choice questions and answers focuses on study of Organic Chemistry. These questions are chosen from a collection of most authoritative and best reference books on Chemistry. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Chemical industry job interviews. One should practice our Mcqs to assimilate knowledge on Organic Chemistry comprehensively.
17. Rate of reactions of most organic compounds are
Very slow
Very fast
Slow
No regular character present
18. Organic compounds are soluble in
Polar solvent
Non-polar solvent
Alkalies
Water
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19. Coal is produced after a long time decay of
Animals
Fossils
Wood
All of the above
20. Methane is used in power generation in chemical industries being a
Natural gas
Good caloric value
Cheaper
All
21. Crude oil is blackish coloured liquid produced after the decay of organic matter present between
Earth layer
Mountains
Sedimentary rocks
Rocks
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22. The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight
Polymerization
Pyrolysis
Isomerism
No such process occurs
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23. At low temperature and pressure cracking can be done in presence of catalyst
Al2O3
Fe2O3
Al2O3 and SiO2
Fe2O3 and SiO2
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24. The metallic sound produced by engine due to the pre-ignition of fuel is called
Knocking
Reforming
Cracking
A and c
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25. Which one of the following compounds shows intense knocking?
N-pentane
Iso-heptane
Iso-octane
N-heptane
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26. Which of the following can be used as anti-knocking agent.
PbCl2
(C2H5)4 Pb
(C2H5)2 Pb
All of the above
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27. Ether functional group can be represented as
?OH
R-CO-R
R-O-R
R-COOH
28. Isomerism which is present only in alkene is
Structural isomerism
Metamerism
Cis-trans isomerism
Both b and c
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29. A single atom or group of atoms which gives characteristic properties to a compound is called
Radical
Hydrocarbon
Functional group
Ion
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30. Compound containing benzene ring in their structure are
Aliphatic
Aromatic
Carboxylic acid
Carbohydrates
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