1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Liquefaction of Gases and Critical Constants
Three 1.0 lit...
Question
Three 1.0 litre flasks are filled with
H
2
,
O
2
and
N
e
, respectively, at
S
T
P
.
Which of the following statements is true?
A
Each flask has the same number of gas molecules
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
The velocity of the gas molecules is the same in each flask
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
The density of each gas is the same
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
There are twice as many
O
2
and
H
2
molecules as
N
e
atoms
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
A
Each flask has the same number of gas molecules
Option (A) is correct.
THe number of gas molecules are same because one mole of any gas occupies 22.4
L
of space.
Suggest Corrections
0
Similar questions
Q.
Four one litre flasks are separately filled with gases
O
2
,
F
2
,
C
H
4
and
C
O
2
under same conditions.
The ratio of the number of molecules in these gases are:
Q.
Four one litre flasks are separately filled with the gases,
O
2
,
F
2
,
C
H
4
and
C
O
2
under the same conditions. The ratio of number of molecules in these gases:
Q.
A
,
B
and
C
are three cylinders of volume 11.2 L each.
H
2
,
O
2
and
N
2
gases at STP are filled in
A
,
B
and
C
respectively.
(a) Find the number of moles of
H
2
molecules in
A
.
(b) Calculate the number of molecules of
O
2
present in
B
.
(
c
)
I
f
t
h
e
v
o
l
u
m
e
o
f
N
,
p
r
e
s
e
n
t
i
n
C
i
s
d
o
u
b
l
e
d
a
t
S
T
P
,
c
a
l
c
u
l
a
t
e
t
h
e
m
a
s
s
i
n
g
r
a
m
o
f
N_2
g
a
s
.
[
g
i
v
e
n
:
M
o
l
a
r
v
o
l
u
m
e
a
t
S
T
P
= 22.4
L
,
A
t
.
m
a
s
s
:
H = 1,\ O= 16,\ N = 14$]
Q.
A flask contains three times as many moles of
H
2
gas as it does
O
2
gas. If hydrogen and oxygen are the only gases present, what is the total pressure in the flask if the partial pressure due to oxygen is
P
?
Q.
Four flasks of 1 litre capacity each arc separately filled with gases
H
2
,
H
e
,
O
2
and
O
3
. At the same temperature and pressure the ratio of the number of atoms of these gases present in different flasks would be:
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