Which of the following statements, about the advantage of roasting of sulphide ore before reducti...
4Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true?
(a) The ΔG_f^o of the sulphide is greater than those for CS_2 and H_2 S.
(b) The ΔG_f^o is negative for roasting of sulphide ore to oxide.
(c) Roasting of the sulphide to the oxide is thermodynamically feasible.
(d) Carbon and hydrogen are suitable reducing agents for reduction of metal sulphides.
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