Explain how chlorine radicals are formed from CFCs.

In the subtopic Ozone depletion, this AQA A-Level Chemistry 7405 learning objective focuses on explain how chlorine radicals are formed from CFCs. It belongs to Halogenoalkanes, so revision should stay anchored to this exact subtopic rather than drifting into a generic GCSE-level chemistry summary. Approved keywords to use include CFC, chlorine radical. Chlorofluorocarbons (CFCs). means chemical compounds containing chlorine, fluorine, and carbon, known for their role in ozone depletion Avoid the mistake of students often incorrectly state that CFCs decompose directly into chlorine gas without detailing the formation of chlorine radicals; instead, to explain how chlorine radicals are formed from CFCs, state the reaction: CCl3F → Cl• + CCl2F. Here, the C-Cl bond breaks, producing a chlorine radical. This radical is crucial for ozone depletion For exam answers, remember that CFCs break down in the atmosphere to release chlorine radicals, which are key to ozone depletion