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  • According to Ellingham diagram, the oxidation reaction of carbon to carbon monoxide may be used to reduce which one of the following oxides at the lowest temperature (500oC)?<div class='qna-opt

According to Ellingham diagram, the oxidation reaction of carbon to carbon monoxide may be used to reduce which one of the following oxides at the lowest temperature (500oC)?

Option: 1

\begin{aligned} & \mathrm{Al}_2 \mathrm{O}_3 \\ \end{aligned}


Option: 2

\mathrm{MgO} \\


Option: 3

\mathrm{ZnO} \\


Option: 4

\mathrm{Cu}_2 \mathrm{O}


Answers (1)

best_answer

Any metal will reduce the oxide of other metal which lie above it in Ellingham diagram.

\mathrm{Cu\rightarrow Cu_{2}O} line is lies at the top of Ellingham diagram so the oxidation reaction of carbon to carbon monoxide is used to reduce the copper at lowest temperature.

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Anam Khan

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