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Extracting Metals in the Middle of Activity Series

In the extrac...

Question

In the extraction of metallic zinc from zinc oxide, the reducing agent used is______.

A

chlorine

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B

carbon

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C

fluorine

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D

hydrogen

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Solution

The correct option is B carbon
Carbon acts as the reducing agent in the reduction of zinc oxide. At high temperatures it reduces metallic oxides to elemental metals.When zinc oxide is heated with carbon, it is reduced to metallic zinc, releasing carbon dioxide.
$2 Z n O + C \to 2 Z n + C O_{2}$

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