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12/09/2020 8:31 pm
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Three iron sheets have been coated separately with three metals A, B, C the standard reduction potentials of which are -0.46 V, -0.66 V and -0.20V respectively. The E° Fe2+/Fe = -0.44 V Identify in which case rusting will take place faster when coating is damaged.
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12/09/2020 8:32 pm
Rusting will occur faster if coating of ‘C’ is damaged as ‘C’ has a lower tendency to undergo oxidation as compared to Fe (based on the values of the reduction potential).