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Byju's Answer
Standard XII
Chemistry
Oxidation Number Method
For the follo...
Question
For the following reaction:
K
4
[
F
e
(
C
N
)
6
]
⟶
F
e
3
+
+
C
O
2
+
N
O
−
3
If the
n
- factor is
(
60
+
x
)
then the value of
x
is _________.
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Solution
Oxidation state of
C
in
K
4
[
F
e
(
C
N
)
6
]
=
+
2
Oxidation state of
C
in
C
O
2
=
+
4
n
f
due to
C
=
6
(
4
−
2
)
=
12
Oxidation state of
N
in
K
4
[
F
e
(
C
N
)
6
]
=
−
3
Oxidation state of
N
in
N
O
−
3
=
+
5
n
f
due to
N
=
6
[
5
−
(
−
3
)
]
=
48
Oxidation state of
F
e
in
K
4
[
F
e
(
C
N
)
6
]
=
+
2
Oxidation state of
F
e
in
F
e
3
+
=
+
3
n
f
due to
F
e
=
(
3
−
2
)
=
1
Therfore,
n
f
of overalll reaction
=
(
12
+
48
+
1
)
=
61
=
(
60
+
1
)
Hence, the value of
x
is
1
.
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0
Similar questions
Q.
For the reaction
K
4
[
F
e
(
C
N
)
6
]
⟶
F
e
3
+
+
C
O
2
+
N
O
⊖
3
, the n-factor is:
Q.
Which of the following statements is not correct about the reaction given below?
K
4
[
F
e
(
C
N
)
6
]
O
x
i
d
a
t
i
o
n
−
−−−−−−−−−−−−−
→
F
e
3
+
+
C
O
2
+
N
O
⊖
3
Q.
Assertion :
[
F
e
(
C
N
)
6
]
4
−
→
F
e
3
+
+
C
O
2
+
N
O
−
3
, the equivalent weight of reactant is
3.74
. Reason: Equivalent weight of reactant
=
M
o
l
.
w
t
.
61
Q.
Which of the following statements is not correct about the given reaction ?
K
4
[
F
e
(
C
N
)
6
O
x
i
d
a
t
i
o
n
−
−−−−−
→
F
e
3
+
+
C
O
2
+
N
O
−
3
Q.
Redox equations are balanced either by the ion electron method or by the oxidation number method. Both methods leads to the correct form of the balanced equation.
List-I contains questions related to some redox equations and List-II contains their answers
List - I
List - II
(I) For the reaction
(P)
3
5
K
4
[
F
e
(
C
N
)
6
]
→
F
e
3
+
+
C
O
2
+
N
O
−
3
the n-factor is:
(II) For the reaction
(Q) 28
F
e
S
2
→
F
e
3
+
+
S
O
2
the n-factor is:
(III) For the reaction
(R)
61
B
r
2
+
2
N
a
O
H
→
N
a
B
r
O
3
+
N
a
B
r
+
H
2
O
the n-factor is:
(IV) For the reaction
(S)
1
A
s
2
S
3
→
A
s
5
+
+
S
O
2
−
4
the n-factor is:
(T)
5
3
(U)
11
Which of the following options has the correct combination considering Lists-I and List-II?
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