O-LevelChemistryChemistry of the Environment5070/11 · May/June 2013 · Q331 Mark

CFC compounds were commonly used as aerosol propellants. The structure of one CFC compound is shown. Which element in this compound causes a depletion of ozone in the atmosphere?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Acarbon

Bchlorine

Cfluorine

Dhydrogen

✓ Correct answer

B: chlorine

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2013 Paper 1 Variant 1, question 33.

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