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Electrometallurgy

Which of the ...

Question

Which of the following metal is not manufactured by electrolysis?

A

Na

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B

Mg

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C

Al

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D

Fe

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Solution

The correct option is D Fe
Method of extraction of a metal depends on the reactivity of the metal. Iron ( $F e$ ) is not manufacture by electrolysis. Moderately reactive metals like zinc and iron are extracted by reduction of their oxides using carbon.

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