Question

Why oxygen is essential for rusting of iron with equation?

Answer 1

The presence of water and oxygen is essential for the rusting of iron. Impurities in the iron, the presence of water vapour, acids, Salts and carbon dioxide has since resting. Pure iron does not rust in and try and carbon dioxide free ad. It also does not rust in pure water, free from dissolved salts.


$EQUATION: \\ 4Fe+3O2--->2Fe2O3$


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