A student investigates the reactivity and physical properties of the halogens by carrying out two separate displacement experiments.
In Experiment 1, chlorine water is added to an aqueous solution of potassium bromide. In Experiment 2, bromine water is added to an aqueous solution of potassium iodide.
Cyclohexane is then added to each reaction mixture, and the test tubes are thoroughly shaken and allowed to separate into two layers.
Which of the following options correctly describes the final colour of the upper organic (cyclohexane) layer in each experiment?
Experiment 1: pale green; Experiment 2: brown
Experiment 1: orange; Experiment 2: purple
Experiment 1: orange; Experiment 2: brown
Experiment 1: pale green; Experiment 2: purple
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.