Chemistry A-Level
IUPAC rules
What IUPAC rules means in Chemistry A-Level, as defined for AQA.
Definition of IUPAC rules
Check what you remember
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Reference: AQA
A fixed algorithm for naming compounds, using the longest continuous carbon chain that contains the principal functional group and numbering it from the end giving the lower locant.
Topics that use IUPAC rules
- Nomenclature (AQA A-Level)
Related terms
- alphabetical prefixes
- Displayed formula
- General formula
- Homologous series
- lowest locants
- Molecular formula
- difference of CH₂
- longest chain
Using IUPAC rules in the exam
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