Edexcel IGCSE Chemistry 4.3 homologous series and isomers
Practise homologous-series questions by defining functional groups, identifying isomers and comparing displayed structures.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Practise homologous-series questions by defining functional groups, identifying isomers and comparing displayed structures.
The table shows the structures of six organic compounds.

Explain why compound A and compound D are isomers.
M1 same molecular formula
M2 different structural / displayed formulae