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A-LevelChemistryHalogen derivatives9701/12 · May/June 2014 · Q271 Mark

Dichlorodifluoromethane, CCl2F2, has been used in aerosol propellants and as a refrigerant. Which statement helps to explain why dichlorodifluoromethane is chemically inert?

AAll fluorine compounds are non-flammable.
BFluorine is highly electronegative.
CThe carbon-fluorine bond energy is large.
DThe carbon-fluorine bond has a low polarity.

✓ Correct answer

C: The carbon-fluorine bond energy is large.

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About this question

Topic
Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 27.

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