AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Which of the following source materials generate \(\mathrm{SO}_2\) that is used in contact process?
- A \(\mathrm{S}, \mathrm{FeS}_2\)
- B \(\mathrm{S}, \mathrm{FeS}\)
- C \(\mathrm{H}_2 \mathrm{~S}, \mathrm{FeS}_2\)
- D \(\mathrm{Na}_2 \mathrm{~S}, \mathrm{FeS}_2\)
Answer & Solution
Correct Answer
(A) \(\mathrm{S}, \mathrm{FeS}_2\)
Step-by-step Solution
Detailed explanation
Preparation of \(\mathrm{H}_2 \mathrm{SO}_4\) from iron pyrite \(\left(\mathrm{FeS}_2\right)\) : \(\mathrm{FeS}_2+\mathrm{O}_2 \rightarrow \mathrm{Fe}_2 \mathrm{O}_3+\mathrm{SO}_2\) and from \(\mathrm{S}: \mathrm{S}+\mathrm{O}_2 \rightarrow \mathrm{SO}_2\)
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