Question
Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?
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Metal sulphides are thermodynamically more stable than CS2
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CO2 is thermodynamically more stable than CS2
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Metal sulphides are less stable than the corresponding oxides
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CO2 is more volatile than CS2
Solution
A.
Metal sulphides are thermodynamically more stable than CS2
