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Byju's Answer
Standard XII
Chemistry
Law of Mass Action
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
F
e
(
N
O
3
)
3
(
a
q
)
is added?
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Solution
Equilibrium position more to the right using up the same to the additional reactants and produce more
F
e
S
C
N
2
+
(
a
q
)
Solution become a darker red colour because of the in create in concentration of
F
e
S
C
N
2
+
(
a
q
)
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0
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
A
g
N
O
3
(
a
q
)
is added? (
A
g
S
C
N
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
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.
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.
Consider the following reaction,
F
e
3
+
(
a
q
)
+
S
C
N
−
(
a
q
)
⇌
[
F
e
(
S
C
N
)
]
2
+
(
a
q
)
A solution is made with initial
F
e
3
+
,
S
C
N
−
concentration of
1
×
10
−
3
M
and
8
×
10
−
4
M
respectively. At equilbrium
[
F
e
(
S
C
N
)
)
2
+
concentration is
2
×
10
−
4
M
. Calculate the value of equilibrium constant.
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