Chemistry A-Level
Prefix and suffix naming
What Prefix and suffix naming means in Chemistry A-Level, as defined for OCR.
Definition of Prefix and suffix naming
Check what you remember
Read the wording for your board, then hide it and explain Prefix and suffix naming in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Naming substituents as prefixes, or as a suffix that changes the parent name, such as –COOH giving benzoic acid, –OH giving phenol and –NH₂ giving phenylamine.
Topics that use Prefix and suffix naming
- Aromatic compounds (OCR A-Level)
Related terms
- Activating and 2,4-directing effect of the –OH group
- Bond lengths in benzene
- Carbon–carbon bond formation in synthesis
- Comparison with carboxylic acids and the carbonate test
- Delocalised π system and electron density
- Delocalised π system in benzene
- Directing effects
- Directing effects of OH, NH₂ and NO₂
Using Prefix and suffix naming in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge