Which of the following faction is of no significance for roasting sulphide ores to the oxide and not subjecting the sulphide ores in carbon reduction directly ?

Options

A. `CO_(2)` is thermodynamically more stable than `CS_(2)`
B. Metal sulphide are less stable than the corresponding oxides
C. `CO_(2)` is more volatile than `CS_(2)`
D. Metal sulphide are thermodynamically more stable than `CS_(2)`

Answer

C