A-LevelChemistryHalogen derivatives9701/12 · Oct/Nov 2012 · 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

C: CHFCF2Cl

Oracle Prep sorts past-paper questions by topic, so you can drill Halogen derivatives and see which topics are most likely to come up next.

Topic: Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2012 Paper 1 Variant 2, question 26.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Structural isomerism only should be considered when answering this question. How many compounds with molecular formul…

1-chloro-2-methylpropane and 2-bromo-2-methylbutane react separately with aqueous silver nitrate in ethanol. Both rea…

When an isomer Y of molecular formula C4H9Br undergoes hydrolysis in aqueous alkali to form an alcohol C4H9OH, the ra…

Which statement about the effect of a catalyst on a reversible reaction is correct?

Which oxide is insoluble in aqueous sodium hydroxide?

X, Y and Z are three elements in the third period. • X reacts with chlorine to give a liquid product. • Y reacts with…