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Edexcel IGCSE Chemistry 4.3 homologous series and isomers

Edexcel IGCSE Chemistry 4.3 homologous series and isomers
Edexcel IGCSE Chemistry syllabusChemistry 4CH1First assessment 2019

Practise homologous-series questions by defining functional groups, identifying isomers and comparing displayed structures.

How this is tested

  • Define isomers using same molecular formula and different structural formulae.
  • Compare compounds in a homologous series using general formula and functional group.
  • Explain why displayed structures are isomers from formula and atom arrangement.

Question 9(d)(i)

[Maximum number: 1]

This question is about propene and propane.

Ethene and propene contain the same functional group.

State what is meant by the term functional group.