Which of the following oxide(s) of iron would be obtained on the prolonged reaction of iron with steam?
  1. FeO
  2. Fe2O3
  3. Fe3O4
  4. Fe2O3 and Fe3O4

AcademicChemistryNCERTClass 10

Correct Answer: (c) Fe304  

Explanation: Iron reacts with steam (H2O) to give ferric oxide and hydrogen gas is evolved. The reaction is given as:

$3Fe(s) + 4H_2O(g) \rightarrow Fe_3O_4(s) + H_2(g)$

raja
Updated on 10-Oct-2022 13:27:24

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