Write the reaction equations: Cu → CuS → H2S → SO2
| August 14, 2021 | education
1. Interaction of metallic copper with sulfur:
Cu + S = CuS.
2. Reaction of dilute hydrochloric acid with copper sulfide:
CuS + 2HCl = CuCl2 + H2S.
3. Combustion of hydrogen sulfide with a blue flame in air with the release of sulfur oxide (sulfur dioxide).
2H2S + 3O2 = 2H2O + 2SO2.
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