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Chemistry · May / June 2020 · Paper 12 · Question 34

5070Formulae, functional groups and terminology

Which statement about the organic compounds CH4, C2H4, C2H6 and C3H8 is correct?

  1. AOnly C2H4 and C2H6 decolourise bromine water.
  2. BThey are all saturated compounds.
  3. CThey are all unsaturated compounds.
  4. DThey are all hydrocarbons.

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Correct answer: D. They are all hydrocarbons.

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