AP EAMCET · Chemistry · General Principles and Processes of Isolation of Metals
Which of the following reactions is an example of roasting ?
- A \(\mathrm{ZnCO}_3 \longrightarrow \mathrm{ZnO}+\mathrm{CO}_2\)
- B \(2 \mathrm{PbS}+3 \mathrm{O}_2 \longrightarrow 2 \mathrm{PbO}+2 \mathrm{SO}_2\)
- C \(\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{C} \longrightarrow 2 \mathrm{Fe}+3 \mathrm{CO}\)
- D \(\mathrm{FeO}+\mathrm{SiO}_2 \longrightarrow \mathrm{FeSiO}_3\)
Answer & Solution
Correct Answer
(B) \(2 \mathrm{PbS}+3 \mathrm{O}_2 \longrightarrow 2 \mathrm{PbO}+2 \mathrm{SO}_2\)
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