Chemistry, asked by baditi755, 1 year ago

why is extraction of copper from pyrites difficult than that from its oxides?

Answers

Answered by UMANG75878

Explanation:

The Gibbs free energy of formation (ΔfG) of Cu2O is more than CO. ... the Gibbs free energy of formation of Cu2O is greater than that of CO. Hence, C can reduce Cu2O to Cu. Hence, the extraction of copper from its pyrite ore is difficult than from its oxide ore through reduction.

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