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Asked: 2020-04-07T04:00:28+05:30 In:

GATE MT 2016 Q5. During the roasting of a sulfide ore of a metal M, the possible solid phases are M, MS, MO and MSO4. Assuming that both SO2 and O2 are always present in the roaster, the solid phases that can co-exist at thermodynamic equilibrium are

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19.05%(A) M, MS, MO, MSO4 ( 4 voters )
19.05%(B) M, MO, MSO4 ( 4 voters )
61.9%(C) MS, MO, MSO4 ( 13 voters )
0%(D) M, MSO4 ( 0 voters )
Based On 21 Votes

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GATE MT 2016 Q5. During the roasting of a sulfide ore of a metal M, the possible solid phases are M, MS, MO and MSO4. Assuming that both SO2 and O2 are always present in the roaster, the solid phases that can co-exist at thermodynamic equilibrium are
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      Correct answer is option C. As per question,  SO2 and O2 are always present in the roaster. Predominance area diagram for this question is given below: The solid phases that can co-exist at thermodynamic equilibrium are MS, MO and MSO4.    

      Correct answer is option C.

      As per question,  SO2 and O2 are always present in the roaster. Predominance area diagram for this question is given below:

      The solid phases that can co-exist at thermodynamic equilibrium are MS, MO and MSO4.

       

       

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