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Why is the extraction of copper from its pyrite difficult than that from its oxide through reduction?

Why is the extraction of copper from its pyrite difficult than that from its oxide through reduction?

Grade:upto college level

1 Answers

Gaurav
askIITians Faculty 164 Points
6 years ago
Hello Student
In general, sulfide minerals are more stable compounds than oxide minerals. Therefore, it is harder to breakdown the chemical bonds in sulfide minerals as compare to in oxide mineral. Oxide ores can simply be reduced by heating them with coal. For sulfide ores, they are first converted into oxide form followed by reduction with coal

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