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Magnesium is used as a sacrificial metal to protect iron from rust.

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in Chemistry – Class 12 by (188k points)
Magnesium is used as a sacrificial metal to protect iron from rust.

(a) True

(b) False

This question was addressed to me in an interview for job.

My question is based upon Electrochemistry in division Electrochemistry of Chemistry – Class 12

1 Answer

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Right answer is (a) True

Explanation: Magnesium and zinc are often used as sacrificial metals. Sacrificial protection means covering the iron surface with a layer of metal which is more active (electropositive) than iron and thus prevents the iron from losing electrons and getting oxidised.

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