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Question

Write balanced equation to convert iron to triferric tetroxide.
  1. 3Fe+2O2Fe2O3
  2. 2Fe+O22FeO
  3. 3Fe+4O2Fe3O4
  4. 3Fe+2O2Fe3O4

A
3Fe+2O2Fe2O3
B
3Fe+4O2Fe3O4
C
3Fe+2O2Fe3O4
D
2Fe+O22FeO
Solution
Verified by Toppr

Iron is present in its ore form magnetite. Iron reacts with oxygen in the air to form oxides and hydroxides and the most common form is iron(II,III) oxide.

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Similar Questions
Q1
Determine the heat of the following reaction:
FeO(s)+Fe2O3(s)Fe3O4(s)
Given informations:
2Fe(s)+O2(g)2FeO(s);ΔHo=544kJ
4Fe(s)+3O2(g)2Fe2O;3(s);ΔHo=1648.4kJ
Fe3O4(s)3Fe(s)+2O2(g);ΔHo=+1118.4kJ
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Q2
Write balanced equation to convert iron to triferric tetroxide.
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Q3
Three samples of iron equal weights are used to from FeO, Fe2O3 and Fe3O4 independently. Then, the amount (in grams)
of O2 required is
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Q4
If ΔG=177Kcal for (1)2Fe(s)+32O2(g)Fe2O3(s)
and ΔG=19Kcalfor(2)4Fe2O3(s)3Fe3O4(s)
What is the Gibbs free energy of formation of Fe3O4?
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Q5
Mole ratio of Fe in FeO, Fe2O3 and Fe3O4 samples of equal mass is:
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