(a)[5]
Describe the patterns in the physical properties of the halogens and how halogens react with other halide ions. Your response should contain a relevant word equation.
(b(i))[2]
Explain why this reaction might damage health if it is not done in a fume cupboard.
(b(ii))[1]
Which one of the pH values below shows a strongly acidic solution? Circle the correct answer. pH 1 pH 7 pH 9 pH 13
(b(iii))[2]
State the product names for this reaction.