CAIE IGCSE Chemistry: Naming & Drawing Organic Molecules Question Bank
Practise naming and drawing structural or displayed formulae for small alkanes, alkenes, alcohols and carboxylic acids.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Practise naming and drawing structural or displayed formulae for small alkanes, alkenes, alcohols and carboxylic acids.
The table shows the structures of four hydrocarbons.

Draw the structure of an unbranched isomer of compound S. Show all of the atoms and all of the bonds. Name this unbranched isomer of compound S.
structure
name
fully displayed formula of but-2-ene
but-2-ene