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Rate of corrosion of anodic region is inversely proportional to the ___________

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Rate of corrosion of anodic region is inversely proportional to the ___________

(a) Cathodic area

(b) Anodic area

(c) Product of anodic area and cathodic area

(d) Sum of anodic area and cathodic area

This question was posed to me in unit test.

This question is from Factors Influencing Corrosion in section Corrosion, Electrolysis, Fuel Cells and Batteries of Engineering Chemistry II

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The correct option is (b) Anodic area

The explanation: Rate of corrosion of the anodic region is inversely proportional to the anodic area. Greater will be the anodic area, faster will be the corrosion at an anode.

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