Chemistry A-Level
Directing effects
What Directing effects means in Chemistry A-Level, as defined for OCR.
Definition of Directing effects
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Reference: OCR
Effects that let a chemist predict which substitution product will dominate when an electrophile attacks a substituted benzene ring.
Topics that use Directing effects
- 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 of OH, NH₂ and NO₂
- Directing effects of the –OH group
Using Directing effects in the exam
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