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    How is rusting a redox reaction? I don't understand the:
    - iron loses electrons (oxidation)
    - oxygen gains electrons (reduction)
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    Iron has an initial oxidiation state of 0, same as Oxygen
    2Fe + O2 -> 2FeO
    Now, In FeO, Iron has an oxidation state of +2. It has changed oxidiation states. This is a redox reaction. Iron has been oxidised, Oxygen has been reduced.
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    (Original post by Tetragon213)
    Iron has an initial oxidiation state of 0, same as Oxygen
    2Fe + O2 -> 2FeO
    Now, In FeO, Iron has an oxidation state of +2. It has changed oxidiation states. This is a redox reaction. Iron has been oxidised, Oxygen has been reduced.
    why does fe have a oxidation state of 2+?
 
 
 

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