Question:
Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam ?
(a) FeO
(b) Fe2O3
(c) Fe3O4
(d) Fe2O3 and Fe3O4
Solution:
(c).
3Fe (s) + 4H2O (g) ———> Fe3O4 (s) + 4H2 (g)
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