{SO}_{2}> {SO}_{3}> {PCl}_{3}" >
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AP EAMCET Engineering 23 Sep 2020 Shift 1 Paper
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Section:
Chemistry
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© examsnet.com
Question : 145
Total: 160
Predict the correct order of rate of diffusion of the following molecules.
S
O
2
>
S
O
3
>
P
C
l
3
>
C
O
2
P
C
l
3
>
S
O
3
>
S
O
2
>
C
O
2
C
O
2
>
S
O
2
>
S
O
3
>
P
C
l
3
C
O
2
>
S
O
2
>
P
C
l
3
>
S
O
3
Validate
Solution:
According to Graham's law of diffusion, "rate of diffusion is inversely proportional to the molecular mass of the gas"
r
∝
1
M
(The molecular mass of
C
O
2
=
44
g
/
m
o
l
,
S
O
2
=
64
g
∕
m
o
l
,
S
O
3
=
80
g
/
m
o
l
and
P
C
l
5
=
208.5
g
∕
m
o
l
)
Thus, the correct order of rate of diffusion is
C
O
2
>
S
O
2
>
S
O
3
>
P
C
l
3
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