The ionic equation for the displacement reaction between chlorine gas and potassium bromide solution is:
2Br−+Cl2→2Cl−+Br2 2\text{Br}^- + \text{Cl}_2 \rightarrow 2\text{Cl}^- + \text{Br}_2 2Br−+Cl2→2Cl−+Br2Explain, in terms of electron transfer, which reactant species has been oxidised.
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