Chemistry 0620 · IGCSE · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

The structures of three substances are shown. What is the reason that these substances are all in the same homologous series?

  • AThey are all compounds.
  • BThey are all saturated.
  • CThey all contain oxygen.
  • DThey all contain the same functional group.

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