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Fundamental Principles of Organic Chemistry - 3
1.
Thermal cracking is particularly useful in the production of ___________ hydrocarbons.
a) Methyl propyl
b) Expected
c) Linear
d) Unsaturated
2.
In Sp hybridization hybridized orbitals have a __________ shape with a band angle of 180
o
.
a) Expected
b) Linear
c) Coplaner
d) Ketonic
3.
Homocyclic compounds are further classified as
a) Alicyclic compounds and Acyclic compounds
b) Aromatic compounds and aliphatic compounds
c) Alicyclic and aromatic compounds
d) Carbocylic and Heterocylic compounds,
4.
The octane number of a poor feul can also be improved by blending it with small amount of additive like.
a) gasoline
b) Tetraethyl lead
c) n-octane
d) Lead oxide
5.
In steam cracking higher hydrocarbon in the vapour phase
a) Are cracked at lower temperature 500
o
C and lower pressure in presence of a suitable cetalyst.
b) Are mixed with steam and cooled rapidly.
c) Are mixed with steam and heated for a short duration to 900
o
C.
d) Are broken down by heating at high temperature and pressure.
6.
According to the modern definition, organic chemistry is that branch of chemistry which deals with the study of
a) Carbon compounds only
b) Carbohydrates and hydrocarbons
c) Carbohydrates and their derivatives
d) Hydrocarbons and their derivatives
7.
The two unhybrized P orbitals on a carbon atom will overlap separately with the p-orbital of the other carbon atom to give two-bonds both perpendicular the 6 frame work of
a) Ether
b) Ethene
c) Ethane
d) Ethyne
8.
Dimethyl Ether and ethyl alcohol are
a) Metamers
b) Cis-trans isomers
c) Position isomers
d) Functional Group isomers
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