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Explain the effect of more electropositi...

Explain the effect of more electropositive metal towards the rusting iron.

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The effect of more electropositive metal towards the rusting of iron.

The galvanisation of iron with a layer of Zinc
At Anode (Oxidation): `Zn rarr Zn^(2+) +2e^(-)`
At Cathode (Reduction) `O_(2) + 2H_(2)O + 4e^(-) rarr 4OH^(-)`
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