During rainy season power supply to our home from the electric pole will be interrupted due to formation of metallic oxide layer on the electric wire. This is ________ type of reaction.

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Oxidation

Reduction

Redox

None

answer is A.

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Detailed Solution

The power supply is taking place from electric pole to home by moving free electrons from Aluminum (Al). But in a rainy season, formation of metallic oxide takes place on the electric wire. This is due to passive $A l_{2} O_{3}$ film is formed and it can act as good insulator to electricity passing.

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