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Which theory explains the oxidation of metals?

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Which theory explains the oxidation of metals?

(a) Collison theory

(b) Molecular orbital theory

(c) Wagner’s theory

(d) Mixed potential theory

I had been asked this question by my college director while I was bunking the class.

My query is from Corrosion and its Classification in division Corrosion Principles of Corrosion Engineering

1 Answer

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Right answer is (c) Wagner’s theory

Easy explanation: Wagner’s theory states that the oxidation of metal is electrolytic in nature and the rate of oxidation is determined by the electrical properties of the corrosion product.

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