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Byju's Answer
Standard XII
Chemistry
Limiting Reagent or Reactant
When steam is...
Question
When steam is passed over red hot iron, the substances formed are:
A
F
e
2
O
3
+
H
2
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B
H
2
+
F
e
O
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C
F
e
3
O
4
+
H
2
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D
F
e
3
O
4
+
H
2
O
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Solution
The correct option is
B
F
e
3
O
4
+
H
2
When steam is passed over a red hot iron, the substances formed are
F
e
3
O
4
+
H
2
.
The reaction is as follows:
3
F
e
+
4
H
2
O
→
F
e
3
O
4
+
4
H
2
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0
Similar questions
Q.
Balance the following reactions:
F
e
+
H
2
O
→
F
e
3
O
4
+
H
2
↑
Q.
Balance the following reactions:
1.
C
u
+
H
2
S
O
4
−
→
C
u
S
O
4
+
S
O
2
↑
+
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2.
F
e
+
+
H
2
O
−
→
F
e
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O
4
+
H
2
↑
3.
C
H
4
+
O
2
→
C
O
2
+
H
2
O
Q.
The number of electrons lost in the following change is
:
F
e
+
H
2
O
⟶
F
e
3
O
4
+
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Q.
Mole ratio of
F
e
in
F
e
O
,
F
e
2
O
3
and
F
e
3
O
4
samples of equal mass is:
Q.
Three samples of iron equal weights are used to from FeO,
F
e
2
O
3
and
F
e
3
O
4
independently. Then, the amount (in grams)
of
O
2
required is
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