Write equations for at least three reactions that can be used to obtain potassium sulfide
| September 5, 2021 | education
Methods for obtaining potassium sulfide.
1. Heating of simple substances at 100 – 200 ° C.
2K + S = K2S.
2. Reaction of disproportionation of potassium sulfite, t = 600 ° C.
4K2SO3 = K2S + 3K2SO4.
3. Reduction of potassium sulfate with carbon, t = 900 ° C.
K2SO4 + 4C = K2S + 4CO.
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