1.

Three ions sheets have been coated separately with three metals (A,B and C) whose standard electrode potentials are given below: {:("Metal",A,B,C,"Iron"),(E_("value")^(@),-0.46,-0.66V,-0.20V,-0.44V):} Identify in which case rusting will take place faster when coating is damaged.

Answer»

Solution :Comparing oxidation POTENTIAL of iron with those of metals A,B and C, iron has higher oxidation potential than C only. Hence, when COATING of C is BROKEN, rusting will become FASTER.


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