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Class 11
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Chemistry
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States of Matter
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Liquefaction of Gases
Liquefaction of Gases
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Liquefaction of Gases
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Andrews Isotherm of Carbon Dioxide
13 mins
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Andrews Isotherm of Carbon Dioxide
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Important Questions
T
C
and
P
c
of a gas are 400 K and 41 atm respectively. The
V
c
is:
Medium
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Which among the following gases can be liquified easily?
Medium
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The gas with the highest critical temperature is
Hard
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At 100
0
C and 1 atm, if the density of liquid water is
1
.
0
g
c
m
−
3
and that of water vapour is
0
.
0
0
0
6
g
c
m
−
3
, then the volume occupied by water molecules in one litre of steam at that temperature is :
Hard
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The ratio of Boyle's temperature and critical temperature for a gas is:
Hard
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The relationship between
P
c
,
V
c
and
T
c
is:
Medium
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>
Consider the van der Waals constants,
a
and
b
, for the following gases.
Gas
A
r
N
e
K
r
X
e
a/(atm
d
m
6
m
o
l
−
2
1.3
0.2
5.1
4.1
b/(
1
0
−
2
d
m
3
m
o
l
−
1
3.2
1.7
1.0
5.0
Which gas is expected to have the highest critical temperature?
Hard
JEE Mains
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>
Critical temperature of
H
2
O
,
N
H
3
,
C
O
2
and
O
2
are
6
4
7
K
,
4
0
5
.
6
K
,
3
0
4
.
1
0
K
and
1
5
4
.
2
K
respectively. If the cooling starts from
5
0
0
K
to their temperature, the gas that liquefies first is:
Medium
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>
Critical temperature for carbon dioxide and methane are
3
1
.
1
∘
C
and
−
8
1
.
9
∘
C
respectively. Which of these has stronger intermolecular forces and why?
Medium
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>
Define critical temperature of a gas. Give its expression.
Medium
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>