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[Post New]16 Mar 2008 18:31:53 IST
    Subject: Why rusting of iron is faster in saline water
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supralara (63)

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Olaaa!! Perrrfect answer. 7  [21 rates]
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ions are greater in conc in electrolytes
 
2 Fe2+ + 0.5 O2      2 Fe3+ + O2-
 
Additionally, the following multistep acid-base reactions affect the course of rust formation:
Fe2+ + 2 H2O      Fe(OH)2 + 2 H+
Fe3+ + 3 H2O       2 Fe(OH)3 + 3 H+
 
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