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Byju's Answer
Standard XII
Chemistry
Preparation of Hydrogen
In the reacti...
Question
In the reaction,
F
e
+
2
H
C
l
→
F
e
C
l
2
+
H
2
. what is the oxidation state of
F
e
in
F
e
C
l
2
?
A
2
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B
3
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C
4
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D
5
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Solution
The correct option is
A
2
Let X be the oxidation state of Fe in
F
e
C
l
2
The oxidation state of
C
l
is -1.
X
+
2
(
−
1
)
=
0
X
−
2
=
0
X
=
2
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1
Similar questions
Q.
A list of reactions are given below.
(a)
F
e
+
2
H
C
l
→
F
e
C
l
2
+
H
2
(b)
F
e
S
+
2
H
C
l
→
F
e
C
l
2
+
H
2
S
(c)
F
e
+
S
Δ
−
→
F
e
S
(d)
N
a
C
l
+
H
2
S
O
4
<
200
o
C
−
−−−
→
N
a
H
S
O
4
+
H
C
l
(e)
C
u
S
O
4
+
H
2
S
→
C
u
S
+
H
2
S
O
4
(f)
S
+
H
2
S
O
4
→
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O
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+
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Identify redox reactions.
Q.
Identify the oxidant and the reductant in the following reaction:
2
F
e
C
l
2
+
H
2
O
2
+
2
H
C
l
→
2
F
e
C
l
3
+
2
H
2
O
Q.
Which of the following reactions involve Iron as a reactant?
(i)
Fe
+
2
HCl
→
FeCl
2
+
H
2
(ii)
FeSO
4
+
Mg
→
MgSO
4
+
Fe
(iii)
FeCl
2
+
2
NaOH
→
Fe
(
OH
)
2
+
2
NaCl
(iv)
4
Fe
+
3
O
2
+
2
H
2
O
→
2
Fe
2
O
3
.
H
2
O