Write the reaction equations: S → HgS → SO2 → Na2SO3 → SO2 → SO3 → H2SO4
| January 1, 2021 | education
1) S + Hg → HgS (compound reaction);
2) 2HgS + 3O2 → 2SO2 ↑ + 2HgO (substitution reaction);
3) SO2 + 2NaOH → Na2SO3 + H2O (exchange reaction);
4) Na2SO3 + 2HCl → SO2 ↑ + 2NaCl + H2O
5) 2SO2 + O2 → 2SO3 (compound reaction);
6) SO3 + H2O → H2SO4 (compound reaction).
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