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What is chemical reaction for rusting

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What is chemical reaction for rusting
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Yogita Ingle 5 years, 9 months ago

We all must have observed newly bought iron, a silver or copper article appears very shiny but with passage of time they get dull. This is due to the layer of metal oxide that develops on their surface. Rusting of iron, silver jewellery getting tarnished or copper articles getting covered by green layer. Metals react with atmospheric oxygen and produces metal oxides that are basic in nature because they react with water to form bases.

  • In case of rusting of iron, the iron reacts with the oxygen present in air and moisture and develops rust (hydrated iron (III) oxide).
    4Fe + 3O2 → 2Fe2O3.H2O
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