The Total solution for NCERT class 6-12
Why is the extraction of copperfrom pyrites more difficult than that from its oxide orethrough reduction?
The Gibbs free energy of formation (ΔfG)of Cu2S is less thanthat of and. Therefore, H2 and C cannot reduceCu2S to Cu.Onthe other hand, the Gibbs free energy of formation of is greater than that of
Hence, the extraction of copperfrom its pyrite ore is difficult than from its oxide ore through reduction.