Question

S→ZnS→H2S→SO2→Na2SO4​

Answer 1

S + Zn → ZnS

ZnS + 2HCl → H₂S↑ + ZnCl₂

H₂S + 3SO₃ → 4SO₂ + H₂

SO₂ + Na₂O₂ → Na₂SO4

Answer 2

The sequence you've provided appears to represent a series of chemical reactions. Let me break down these reactions step by step:

1. S → ZnS: This reaction involves the conversion of sulfur (S) into zinc sulfide (ZnS). It typically occurs when sulfur reacts with zinc, resulting in the formation of zinc sulfide.

2. ZnS → H2S: This reaction suggests the conversion of zinc sulfide (ZnS) into hydrogen sulfide (H2S). It's important to note that this reaction is not a common chemical reaction under standard conditions because zinc sulfide is not readily converted into hydrogen sulfide in this way.

3. H2S → SO2: This reaction represents the conversion of hydrogen sulfide (H2S) into sulfur dioxide (SO2). This is a chemical reaction that can occur when H2S is oxidized.

4. SO2 → Na2SO4: This reaction involves the conversion of sulfur dioxide (SO2) into sodium sulfate (Na2SO4). This is typically achieved through various chemical processes, such as the reaction of SO2 with sodium hydroxide or sodium carbonate.

Overall, the sequence of reactions you've provided seems to depict the transformation of sulfur (S) into sodium sulfate (Na2SO4) through a series of chemical reactions. However, it's important to note that the second reaction (ZnS → H2S) is not a typical reaction under standard conditions, and the specific conditions and reactants involved would need to be provided for a more accurate interpretation.