2
You visited us
2
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Liquefaction of Gases and Critical Constants
The critical ...
Question
The critical constant for water are 374
o
C
, 218 atm and 0.0566 litre mol
−
1
. Calculate
a
and
b
.
A
a
= 1.095 litre
2
atm mol
−
1
,
b
= 0.0185 litre mol
−
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
a
= 1.92 litre
2
atm mol
−
1
,
b
= 0.0185 litre mol
−
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
a
= 2.095 litre
2
atm mol
−
1
,
b
= 0.0189 litre mol
−
1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
a
= 2.95 litre
2
atm mol
−
1
,
b
= 0.1185 litre mol
−
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
C
a
= 2.095 litre
2
atm mol
−
1
,
b
= 0.0189 litre mol
−
1
T
c
=
374
0
C
P
c
=
218
a
t
m
V
c
=
0.0566
l
i
t
r
e
m
o
l
−
1
a
=
3
P
c
V
2
c
=
3
×
218
a
t
m
×
(
0.0566
l
i
t
r
e
/
m
o
l
)
2
=
2.095
l
i
t
r
e
2
a
t
m
/
m
o
l
b
=
V
c
3
=
0.0566
l
i
t
r
e
/
m
o
l
3
=
0.0189
l
i
t
r
e
/
m
o
l
Hence, option C is correct.
Suggest Corrections
0
Similar questions
Q.
Find the temperature at which
3
moles of
S
O
2
will occupy a volume of
10
litre at a pressure of
15
a
t
m
.
a
=
6.71
a
t
m
l
i
t
r
e
2
m
o
l
−
2
;
b
=
0.0564
l
i
t
r
e
m
o
l
−
1
.
Q.
One mole of carbon dioxide was found to occupy a volume of
1.32
l
i
t
r
e
at
48
∘
C
under a pressure of
16.4
a
t
m
. Calculate the pressure that would have been expected from:
(i) the ideal gas equation,
(ii) van der Waal's equation.
(
a
=
3.59
a
t
m
l
i
t
r
e
2
m
o
l
−
1
;
b
=
4.27
×
10
−
3
l
i
t
r
e
m
o
l
−
1
and
R
=
0.0821
l
i
t
r
e
−
a
t
m
K
−
1
m
o
l
−
1
)
.
Q.
How many moles of
S
O
2
will occupy a volume of
10
litre at a pressure of
15
a
t
m
and temperature
624
K
?
(
a
=
6.71
a
t
m
L
2
m
o
l
−
2
;
b
=
0.0564
l
i
t
r
e
m
o
l
−
1
)
.
Q.
56
g
of nitrogen are confined to a
6
litre flask at
37
∘
C
. Calculate its pressure using van der Waals' equation for nitrogen.
a
=
4.17
a
t
m
l
i
t
r
e
2
m
o
l
−
2
and
b
=
0.037
l
i
t
r
e
m
o
l
−
1
.
Q.
The critical constants for water are
374
∘
C
,
217
atm and 0.05 L mol
−
1
. calculate
a
and
b
.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Vapour
CHEMISTRY
Watch in App
Explore more
Liquefaction of Gases and Critical Constants
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app