A-LevelChemistryHalogen derivatives9701/12 · Oct/Nov 2015 · Q241 Mark

The depletion of the ozone layer in the upper atmosphere reduces the Earth's natural protection from harmful ultraviolet radiation. Which compound would cause the most depletion of the ozone layer?

ACCl3F

BCF4

CCO2

DSO2

✓ Correct answer

A: CCl3F

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Topic: Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 2, question 24.

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