In the extraction of metals from sulphide ore | vedclass

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(A) The reduction of metal sulphides to metal is thermodynamically unfavourable because the formation of $CS_2$ is not spontaneous compared to the for

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$CO_2$ is thermodynamically more stable than $CS_2$.

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(A) The reduction of metal sulphides to metal is thermodynamically unfavourable because the formation of $CS_2$ is not spontaneous compared to the formation of $CO_2$ when carbon is used as a reducing agent. Since $CO_2$ is thermodynamically much more stable than $CS_2$,the conversion of metal sulphides to oxides makes the subsequent reduction with carbon thermodynamically feasible.

In the extraction of metals from sulphide ores,the ore is first converted into an oxide before reduction,rather than reducing the sulphide ore directly,because .....

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