If bromine water is added to potassium iodide solution, a reaction occurs.
bromine+potassium iodide→potassium bromide+iodine \text{bromine} + \text{potassium iodide} \rightarrow \text{potassium bromide} + \text{iodine} bromine+potassium iodide→potassium bromide+iodineGive one reason why this reaction occurs.
Practise Edexcel GCSE Chemistry Group 7 with exam-style questions for Foundation and Higher tier. 87 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.