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Question
Chemistry
The ratio of the value of any colligative property for K 4[ Fe ( CN )6] to that of Fe 4[ Fe ( CN )6]3 solution is nearly
Q. The ratio of the value of any colligative property for
K
4
[
F
e
(
CN
)
6
]
to that of
F
e
4
[
F
e
(
CN
)
6
]
3
solution is nearly
3385
188
NTA Abhyas
NTA Abhyas 2020
Solutions
Report Error
A
0.62
0%
B
0.71
100%
C
1.4
0%
D
1.2
0%
Solution:
van't Hoff factor of
K
4
[
F
e
(
CN
)
6
]
=
5
K
4
[
F
e
(
CN
)
6
]
=
4
K
+
+
[
F
e
(
CN
)
6
]
4
−
van't Hoff factor of
F
e
4
[
F
e
(
CN
)
6
]
3
=
7
F
e
4
[
F
e
(
CN
)
6
]
3
=
4
F
e
3
+
+
3
[
F
e
(
CN
)
6
]
4
−
So ratio of colligative properties
=
7
5
=
0.71
.