Edexcel IGCSE Chemistry Double Award Revision
A guide to the Edexcel IGCSE Chemistry Double Award Syllabus for 2020
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Tuesday, 5 July 2016
3.5 describe the substitution reaction of methane with bromine to form bromoethane in the presence of UV light
3.5 •halogenation - a substitution reaction
•methane + bromine ------> bromoethane + hydrogen bromide
•alkane + bromine + UV light presence = colourless
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