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Give the formula of copper pyrite.
Pyrite, often known as iron pyrite, is the most common sulphide mineral. The majority of copper ores are found in nature as sulphides. Copper pyrite is essential copper ore. Chalcopyrite is the most popular name for it.
Iron or pyrite Pyrite is an iron sulphide mineral with the chemical formula FeS2.CuCO3 can be ruled out of the choices listed above.Cu(OH)2 and Cu2O, since they are not sulphides.Cu2S is not a pyrite mineral but rather copper sulphide. Copper pyrite is copper iron sulphide with the chemical formula CuFeS2.
Copper metal may be obtained from copper pyrite by extraction. Copper iron sulfide (CuFeS2) is first concentrated using froth flotation. Then it is roasted in a reverberatory furnace, which means that it is heated in an environment with an abundance of oxygen.
Copper pyrite, when heated, produces a compound that is a combination of cuprous sulphide and iron sulphide, sometimes known as ferrous sulphide (FeS) (Cu2S).
2CuFeS2 + O2 → Cu2S + 2FeS + SO2
The formation of ferrous oxide begins with ferrous sulphide (FeS) oxidation.
2FeS + 3O2 →2FeO + 2SO2
Because copper is less reactive than iron, cuprous sulphide does not oxidize into copper oxide. This is because copper is less reactive than iron (Cu2O). If any Cu2O is produced, FeS will react with it and convert it into Cu2S, which may also be written as Cu2S.
2Cu2S + 3O2 → 2Cu2O + 2SO2
Cu2O + FeS → Cu2S + FeO
After that, FeS and Cu2S are combined with silica (SiO2), and the resulting mixture is then heated in a furnace. When FeO is combined with SiO2, the result is ferrous silicate (FeSiO3). Slag is another name for FeSiO3, which, due to its lower density, floats on top of the molten layer of copper mate, which is composed of Cu2S and unreacted FeS. The last step is extracting copper from copper matte.
