write a short note on rusting.Write its equation
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The oxidation state of iron in this compound is +2 and its chemical formula is FeO. Iron(III) oxide or ferric oxide, where the iron atom exhibits an oxidation state of +3. The chemical formula of this compound is Fe2O3.
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Iron corrodes readily when exposed to moisture and gets converted into a brown substance called rust. This is also called Rusting of Iron. Chemically, the rust is a hydrated iron oxide, Fe2O3.2H2O
Rusting occurs when Iron reacts with oxygen in the presence of water or moisture.
Equation is such that --
4Fe + 3O2 ---> 2Fe2O3
After reacting with water --
Fe2O3 + 2H2O ---> Fe2O3.2H2O
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