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JEE Main Chemistry Class 11 Solutions Part 1 Questions
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Question : 95
Total: 100
Which one of the following statements is FALSE?
[2004]
The correct order of osmotic pressure for
0.01
M
aqueous solution of each compound is
B
a
C
l
2
>
K
C
l
>
C
H
3
C
O
O
H
>
sucrose
The osmotic pressure
(
π
)
of a solution is given by the equation
π
=
MRT, where
M
is the molarity of the solution
Raoult's law states that the vapour pressure of a component over a solution is proportional to its mole fraction
Two sucrose solutions of same molality prepared in different solvents will have same freczing point depression
Validate
Solution:
∆
T
f
=
i
×
K
f
×
m
.
Since
K
f
has different values for different solvents, hence even if
m
is same,
∆
T
f
will be different.
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