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Byju's Answer
Standard XII
Chemistry
Characteristics of Equilibrium Constant
Consider the ...
Question
Consider the reaction,
F
e
3
+
(
a
q
)
+
S
C
N
−
(
a
q
)
⇌
F
e
S
C
N
2
−
(
a
q
)
How will the equilibrium position shift if
A
g
N
O
3
(
a
q
)
is added? (
A
g
S
C
N
is insoluble)
Open in App
Solution
K
e
q
=
[
F
e
(
S
C
N
)
2
−
]
[
S
C
N
−
]
[
F
e
3
+
]
, On adding
A
g
N
O
3
[
S
C
N
−
]
will diminish because of the precipitation of
A
g
S
C
N
, then the equilibrium will shift to the left.
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Similar questions
Q.
Consider the reaction,
F
e
3
+
(
a
q
)
+
S
C
N
−
(
a
q
)
⇌
F
e
S
C
N
2
+
(
a
q
)
How will the equilibrium position shift if
N
a
O
H
(
a
q
)
is added?
[
F
e
(
O
H
)
3
is insoluble]
Q.
Consider the reaction,
F
e
3
+
(
a
q
)
+
S
C
N
−
(
a
q
)
⇌
F
e
S
C
N
2
−
(
a
q
)
How will the equilibrium position shift if water is added, doubling the volume?
Q.
Consider the reaction
F
e
3
+
(
a
q
)
+
S
C
N
−
(
a
q
)
⇌
F
e
S
C
N
2
(
a
q
)
How will the equilibrium position shift if
F
e
(
N
O
3
)
3
(
a
q
)
is added?
Q.
Given the following reaction at equilibrium:
F
e
3
+
(
a
q
)
+
S
C
N
⇋
F
e
S
C
N
2
+
(
a
q
)
. Find the one among the following which results in shifting the equilibrium to the left.
Q.
The equilibrium constant for the reaction:
F
e
3
+
(
a
q
)
+
S
C
N
−
(
a
q
)
⇌
F
e
S
C
N
2
+
(
a
q
)
is 140 at 298 K.
The
Equilibrium constant for the reaction:
2
F
e
3
+
(
a
q
)
+
2
S
C
N
−
(
a
q
)
⇌
2
F
e
S
C
N
2
+
(
a
q
)
is:
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