A-LevelChemistryHalogen derivativesOct/Nov 2012Paper 1 Q261 Mark
High-energy radiation in the stratosphere produces free-radicals from chlorofluoroalkanes, commonly known as CFCs. Which free-radical is most likely to result from the irradiation of CHFClCF2Cl?
ACHFClĊFCl
BCHClCF2Cl
CCHFCF2Cl
DĊFClCF2Cl
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of halogen derivatives within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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