CHEM2 Key equations 0.0 / 5 ? ChemistryCHEM2ASAQA Created by: StacyCreated on: 30-05-14 19:53 Reaction of chlorine with water Cl2(g) + H2O(l) --> HCl(aq) + HClO(aq) 1 of 6 Reaction of chlorine with sodium hydroxide solution Cl2(g) + 2NaOH --> NaCl(aq) + NaClO(aq) + H2O(l) 2 of 6 Reaction of chloride ions with conc. sulphuric acid NaCl(s) + H2SO4(l) --> NaHSO4(s) + HCl(g) 3 of 6 Reaction of bromide ions with conc. sulphuric acid NaBr(s) + H2SO4(l) --> NaHSO4(s) + HBr(g) - then - 2HBr(g) + H2SO4(l) --> Br2(l) + 2H2O(l) + SO2(g) 4 of 6 Reaction of Iodide ions with conc. sulphuric acid NaI(s) + H2SO4(l) --> NaHSO4(s) + HI(g) - then - 8HI(g) + H2SO4(l) --> 4I(l) + 4H2O(l) + H2S(g) 5 of 6 Test of halide ions - chloride Ag+(aq) + Cl-(aq) --> AgCl(s) 6 of 6
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