ChemistryEasy99×since 2002Q1404Which one of the following reactions does not occur during extraction of copper?A2FeS+3O2→2FeO+2SO2\mathrm{2FeS + 3{O_2} \to 2FeO + 2S{O_2}}2FeS+3O2→2FeO+2SO2BFeO+SiO2→FeSiO3\mathrm{FeO + Si{O_2} \to FeSi{O_3}}FeO+SiO2→FeSiO3CCaO+SiO2→CaSiO3\mathrm{CaO + Si{O_2} \to CaSi{O_3}}CaO+SiO2→CaSiO3D2Cu2s+3O2→2Cu2O+2SO2\mathrm{2C{u_2}s + 3{O_2} \to 2C{u_2}O + 2S{O_2}}2Cu2s+3O2→2Cu2O+2SO2Check answerSkip