Question

what is the molecular formula of oxide of iron formed on passing steam over it​

Answer 1

Answer:

Iron(III) Oxide or Ferric Oxide = Fe2O3 Either Iron (II) oxide or Iron (III) oxide, depending on how many electrons are in the valence shell of the iron.

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Explanation:

Answer 2

The molecular formula of oxide of iron which form on passing steam over it is Fe3O4.

• Iron doesn't react with the liquid form of water. (Both hot liquid water and cold liquid water)

• Iron only reacts with gaseous form of the water which is also known as the steam. Also ,the iron needs to be red hot to participate in this chemical reaction.

• The produced oxide is ferrous ferric oxide which has a molecular formula of Fe3O4.

Chemical reaction :

3Fe + 4H2O = Fe3O4 + 4H2