Check sibling questions

Write equations for the reactions of

(i) iron with steam

 

Answer

(i) Iron with steam

Iron Reacts with Steam to form Iron Oxide + Hydrogen Gas. 

  • This is because water is slightly ionised to give hydrogen ions (H + ) and hydroxide ions (OH - ). 
  • When a reactive metal combines with this water (steam, in this case) it gives electrons to reduce the H + ions to H atoms which later form hydrogen gas .
  • Essentially, Iron displaces Hydrogen from water to ferric oxide. 

3Fe(s) + 4H 2 O(g) → Fe 3 O 4 (s) + 4H 2 (g)

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