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Tardigrade
Question
Chemistry
The solubility of Fe ( OH )3 is x mol L -1. Its Ks p would be
Q. The solubility of
F
e
(
O
H
)
3
is
x
m
o
l
L
−
1
. Its
K
s
p
would be
5681
206
J & K CET
J & K CET 2013
Equilibrium
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A
9
x
3
5%
B
3
x
3
7%
C
27
x
4
83%
D
9
x
4
5%
Solution:
Dissociation of
F
e
(
O
H
)
3
in solution is represented as follows
(
−
x
)
F
e
(
O
H
)
3
⇌
(
x
)
F
e
3
+
+
(
3
x
)
3
O
H
−
K
s
p
=
x
×
(
3
x
)
3
=
27
x
4