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Question
Chemistry
In which of the following pairs of solutions will the values of the van't Hoff factor be the same?
Q. In which of the following pairs of solutions will the values of the van't Hoff factor be the same?
2101
254
Solutions
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A
0.05
M
K
4
[
F
e
(
CN
)
6
]
and
0.10
MF
e
S
O
4
0%
B
0.10
M
K
4
[
F
e
(
CN
)
6
]
and
0.05
MF
e
S
O
4
⋅
(
N
H
4
)
2
S
O
4
6
H
2
O
0%
C
0.20
MN
a
Cl
and
0.10
MB
a
C
l
2
0%
D
0.05
MF
e
S
O
4
(
N
H
4
)
2
S
O
4
⋅
6
H
2
O
and
0.02
M
K
Cl
.
M
g
C
l
2
.6
H
2
O
200%
Solution:
Those which have same no of ions after dissociation will have same Van't Hoff factor.
K
4
[
F
e
(
CN
)
6
]
&
F
e
S
O
4
⋅
(
N
H
4
)
2
S
O
4
⋅
6
H
2
O
have 5 ions each
&
F
e
S
O
4
(
N
H
4
)
2
S
O
4
⋅
6
H
2
O
&
K
Cl
.
M
g
C
l
2
⋅
6
H
2
O
have ions each