COMEDK · Chemistry · 21. General Principles and Processes of Isolation of Metals
Identify the reaction that doesn't take place during the smelting process of copper extraction
- A \(2 \mathrm{FeS}+3 \mathrm{O}_{2} \longrightarrow 2 \mathrm{FeO}+2 \mathrm{SO}_{2} \uparrow\)
- B \(\mathrm{Cu}_{2} \mathrm{O}+\mathrm{FeS} \longrightarrow \mathrm{Cu}_{2} \mathrm{~S}+\mathrm{FeO}\)
- C \(2 \mathrm{Cu}_{2} \mathrm{~S}+3 \mathrm{O}_{2} \longrightarrow 2 \mathrm{Cu}_{2} \mathrm{O}+2 \mathrm{SO}_{2} \uparrow\)
- D \(\mathrm{FeO}+\mathrm{SiO}_{2} \longrightarrow \mathrm{FeSiO}_{3}\)
Answer & Solution
Correct Answer
(A) \(2 \mathrm{FeS}+3 \mathrm{O}_{2} \longrightarrow 2 \mathrm{FeO}+2 \mathrm{SO}_{2} \uparrow\)
Step-by-step Solution
Detailed explanation
The reaction that doesn't take place during the smelting process of extraction is \[ 2 \mathrm{FeS}+3 \mathrm{O}_{2} \longrightarrow 2 \mathrm{FeO}+2 \mathrm{SO}_{2} \uparrow \] This reaction occurs during roasting, which comes before smelting.
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