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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

The `Delta_f G^@` of the sulphide is greater than those for `CS_2` and `H_2 S`

B

The `Delta_f G^@` 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 metal sulphides

Text Solution

Verified by Experts

The correct Answer is:
D
Carbon and hydrogen are suitable reducing agents for metal sulphides
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Knowledge Check

  • Which of the following statement, about the advantage of rasting of sulphide ore before reduction is not true?

    A
    The `DeltaG_(y)^(@)` of the sulphide is greater than those for `CS_2` and `H_(2)S`.
    B
    The `DeltaG_(f)^(@)` 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 metal sulphides.

  • Which of the following statements about the advantage of roasting of sulphide ore before reduction is not true ?

    A
    The `Delta G^(@)` of the sulphide is greater than those of `CS_(2) " and " H_(2)S`.
    B
    The `DeltaG^(@)` is negative for roasting of sulphide ore to oxide.
    C
    Roasting of sulphide to oxide is thermodynamically feasible
    D
    Carbon and hydrogen are not suitable reducing agents for metal sulphides.

  • Which of the following statements about the advantage of roasting of sulphide ore before reduction is not true ?

    A
    The `DeltaG^(@)` of the sulphide is greater than those for `CS_(2)` and `H_(2)S`
    B
    The `DeltaG^(@)` 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 metal sulphides

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