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Standard XII
Chemistry
General Mechanism of Electrophilic Aromatic Substitution
41.Which has ...
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41.Which has will effusion FASTER NH3 OR qCO WHAT ARE THEIR RELATIVE rates of effusion
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Q.
The relative rates of effusion of
O
2
to
C
H
4
through a container containing
O
2
and
C
H
4
in
3
:
2
mass ratio will be :
Q.
Calculate relative rates of effusion of
S
O
2
to
C
H
4
, in the mixture obtained by effusing out a mixture with initial molar ratio
n
S
O
2
n
C
H
4
=
8
1
for three effusing steps:
Q.
Effusion is the process of a gas escaping into an empty container (in other words, a vacuum). Graham's law of effusion relates the relative rates of effusion for two gases to their molar masses. The rate at which a gas effuses is a measure of the root mean square velocity of the molecules.
If the average velocity of methane molecules,
C
H
4
, is
5.00
×
10
4
c
m
8
at a particular temperature and pressure, what is the average velocity of helium atoms at the same temperature and pressure?
Q.
Calaulate relative rates of effusion of
O
2
to
C
H
4
through a container containing
O
2
and
C
H
4
in
3
:
2
mass ratio.
Q.
Assertion :Nitrogen gas will have a greater rate of effusion than oxygen gas. Reason: Lighter, less dense gases travel faster than heavier, more dense gases.
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