Which of the following metals is most readily corroded in moist air?

Copper

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Iron

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Silver

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Nickel

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Solution

The correct option is B Iron
Gold and silver are the least reactive metals in the reactivity series,hence can not form bond with oxygen easily. Therefore they don't get corroded easily.
Copper reacts with oxygen and forms oxide but it does not get corroded. Iron reacts with oxygen and gets corroded.

Hence the correct option is 'B'

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