The bromine liquid used in this halogenation reaction is highly volatile, releasing toxic vapours that cause severe damage to the respiratory system, and is corrosive to skin.
Using this information, state one safety precaution that must be taken during the experiment to minimise risk when handling this substance.
230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.