IB Chemistry HL 3.2.5 IUPAC nomenclature and complex structures Question Bank
Practise IB Chemistry HL 3.2.5 by applying IUPAC rules to complex organic structures and multi-step products.
- Syllabus
- First assessment 2025
- Course
- Chemistry HL
- Level
- HL
Practise IB Chemistry HL 3.2.5 by applying IUPAC rules to complex organic structures and multi-step products.
Organic compounds have many industrial applications.
The following organic compound, X, is used as a flavouring agent.

Deduce the systematic name of X using IUPAC nomenclature.
3,5,5-trimethylhexanal
Marking guidance:
Accept 5,5,3 instead of 3,5,5 do not penalize missing hyphen/dash