Rasting of Iron equation
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The chemical formula for rust is Fe2O3. Rust is formed when iron reacts with oxygen in moist air. The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3. Water is necessary for the oxidation reaction to occur and to facilitate transport of the electrons.
mohan185:
water is not necessary for oxidation it is necessary to rusting only
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The chemical reaction in which iron (Fe) combines with oxygen (O2) to form rust , or iron oxide (Fe2O3). The equation for this reaction is → 4Fe+3O2→ 2Fe2O3
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