The cell reaction of micro electrochemical cell fromed during rusting of iron is:-

(1) O2(g) + 4H(aq) + 4e-           2H2O(l)(2) 4Fe+2(aq) + O2(g) + 2H2O(l)           4FeO + 4H(aq)(3) 2Fe(s) + O2(g) + 4H°(aq)           2Fe+2(aq) + 2H2O (l)(4) Fe(s)           Fe+2(aq) + 2e-

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#11 | Corrosion

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