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Byju's Answer
Standard XII
Chemistry
Van der Waal's Forces
Oxygen and hy...
Question
Oxygen and hydrogen are present in 2:1 molar ratio at 10 atm pressure find ratio of rate of diffusion . also find mole of gases diffused Find ratio of gas diffused from H2 to O2 if equal mass of gas is present
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Q.
The rates of diffusion of two gases A and B are in the ratio
1
:
4
. If the ratio of their masses present in the mixture is
2
:
3
. FInd the ratio of their mole fraction.
(
9
1
/
3
=
2.08
)
.
Q.
Gas A (Molar mass = 16) and gas B (Molar mass = 4) are confined to a vessel at a partial pressure of 2 atm each at 300 K. The gases are then allowed to effuse out at 300 K through a valve till the pressure inside the vessel becomes 2 atm after which the valve is closed. The gases are again heated at 400 K, identify the correct statements in the following:
Q.
A vessel contains dimethyl ether at a pressure of 0.4 atm. Dimethyl ether decomposes as
C
H
3
O
C
H
3
(
g
)
→
C
H
4
(
g
)
+
C
O
(
g
)
+
H
2
(
g
)
. The rate constant of decomposition is
4.78
×
10
−
3
m
i
n
−
1
. Calculate the ratio to initial rate of diffusion of rate of diffusion after 4.5 hour of initiation of decomposition. Assume the composition of gas present and composition of gas diffusing to be same.
Q.
The rates of diffusion of two gases
A
and
B
are in ratio
1
:
4
. If the ratio of their masses present in the mixture is
2.3
. The ratio of their mole fraction is:
Q.
The rates of diffusion of two gases
A
and
B
are in the ratio
1
:
4.
If the ratio of their masses present in the mixture is
2
:
3
. Calculate the ratio of their mole fraction.
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