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Which of the following srtatement above ...

Which of the following srtatement above the advantage of masting of sulphide are before reduction is not true?

A

`DeltaG_(f)^(@)`of the sulphide is greater than `CS_(2)` and `H_(2)S`

B

`DeltaG_(f)^(@)` is negative for roasting of sulphide ore to oxide

C

Roasting of the sulphide to oxide is thermodynamically feasible

D

Carbon and hydrogen are suitable reducing agents for metal sulphides

Text Solution

Verified by Experts

The correct Answer is:
D
`DeltaG_(f)^(@)` for sulphides `gtDeltaG_(f)^(@)`of `CS_(2)`and `H_(2)S`, and thus, `C`and `H_(2)`cannot reduce metal sulphide.
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