Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
(A) FeO
(B) Fe 2 O 3
(C) Fe 3 O 4
(D) Fe 2 O 3 and Fe 3 O 4
Answer
When iron is heated with steam, the following reaction takes place.
3 Fe (s) + 4 H 2 O (g) → Fe 3 O 4 (s) + 4 H 2 (g)
So, the correct option is (c) Fe 3 O 4
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