Chemistry A-Level
Parent ring and substituent identification
What Parent ring and substituent identification means in Chemistry A-Level, as defined for OCR.
Definition of Parent ring and substituent identification
Check what you remember
Read the wording for your board, then hide it and explain Parent ring and substituent identification in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Identifying the parent ring as benzene and naming substituents as prefixes (methyl, chloro, nitro, hydroxy) or, for some groups, as a suffix.
Topics that use Parent ring and substituent identification
- 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 Parent ring and substituent identification 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