The ionic equation for the reaction between potassium iodide and bromine is:
2I−+Br2→2Br−+I2 2\text{I}^- + \text{Br}_2 \rightarrow 2\text{Br}^- + \text{I}_2 2I−+Br2→2Br−+I2Explain which species has been oxidised in this reaction.
Practise Edexcel GCSE Chemistry Group 7 with exam-style questions for Foundation and Higher tier. 77 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
