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JEE Advanced 2020 Full Test 5 Paper 1
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© examsnet.com
Question : 34
Total: 54
How many statements are true?
At constant
T
and
P
,
∆
m
i
x
G
must be negative for an ideal solution.
At constant Tand
P
,
∆
m
i
x
G must be negative for every solution.
At constant
T
and
P
,
∆
mix
S
=
∆
mix
H
∕
T
for an ideal solution.
For equilibrium between a solution and its vapor,
G
m
of the solution must equal
G
m
of the vapor.
For equilibrium between an ideal solution and an ideal vapor
x
B
l
must equal
x
B
v
.
(f) In an ideal solution, the partial molar volume of a component equals the molar volume of the pure substance.
Validate
Solution:
(a) true, (b) true, (c) false, (d) false, (e) false, (f) true
For
d
:
G
molar
of solvent molecules in solution
=
G
molar
of solvent molecules in vapour
≠
G
molar
of solution.
© examsnet.com
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