Question

ZnS→So2→so3→H2SO4→K2SO4

Answer 1

Ответ:

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Answer 2

The chemical reaction sequence you provided shows the conversion of Zinc Sulfide (ZnS) into Potassium Sulfate (K2SO4) through several intermediate steps. Let's go through each step of the reaction:

1. ZnS (Zinc Sulfide) → SO2 (Sulfur Dioxide): ZnS is heated, and it undergoes a decomposition reaction, yielding Zinc Oxide (ZnO) and Sulfur Dioxide (SO2): ZnS(s) → ZnO(s) + SO2(g)

2. SO2 (Sulfur Dioxide) → SO3 (Sulfur Trioxide): SO2 is oxidized to form Sulfur Trioxide (SO3) in the presence of a catalyst, usually V2O5: 2 SO2(g) + O2(g) → 2 SO3(g)

3. SO3 (Sulfur Trioxide) → H2SO4 (Sulfuric Acid): Sulfur Trioxide reacts with water to form Sulfuric Acid (H2SO4): SO3(g) + H2O(l) → H2SO4(l)

4. H2SO4 (Sulfuric Acid) → K2SO4 (Potassium Sulfate): Sulfuric Acid reacts with Potassium Hydroxide (KOH), and Potassium Sulfate (K2SO4) is formed: H2SO4(l) + 2 KOH(aq) → K2SO4(aq) + 2 H2O(l)

So, the overall reaction sequence is: ZnS(s) → ZnO(s) + SO2(g) → SO3(g) + H2SO4(l) → K2SO4(aq) + 2 H2O(l)