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Organic-Chemistry - 2
1.
Which gas is used in ripening of fruits and vegetables
a) CO
2
b) C
2
H
2
c) CH
4
d) C
2
H
6
2.
The formula of chloroform is
a) CCl
4
b) CH
3
Cl
c) CH
4
d) CHCl
3
3.
The example of unsaturated hydrocarbon is
a) C
3
H
8
b) C
2
H
6
c) CH
4
d) C
2
H
2
4.
When ethyne gas is passed through a red hot iron tube it polymerizes to
a) Ethan-ol
b) Benzene
c) Ethand
d) Ghee
5.
The major constituent of marsh gas is
a) Methane
b) Benzene
c) Ethyne
d) Propene
6.
Vital force theory was proposed by Wholer.
a) True
b) False
7.
Dalton prepared urea from in-organic substances.
a) False
b) True
8.
Carbon is an essential consituent of all organic compounds
a) True
b) False
9.
Methane molecule has tetra had not geometry
a) False
b) True
10.
A molecule of propane contains four carbon atoms and ten hydrogen atoms
a) True
b) False
11.
Butane has four isomers
a) True
b) False
12.
The general chemical formula of alkane is CnH
2
n+2
a) False
b) True
13.
The chemical formula of urea is H
2
N-CO-NH
2
a) False
b) True
14.
-OH is functional group and represents the alchohal
a) True
b) False
15.
Organic compounds have high melting and boiling points
a) True
b) False
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