Chemistry A-Level
Activating and 2,4-directing effect of the –OH group
What Activating and 2,4-directing effect of the –OH group means in Chemistry A-Level, as defined for OCR.
Definition of Activating and 2,4-directing effect of the –OH group
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Reference: OCR
The –OH group is electron-donating into the ring through lone-pair overlap with the delocalised π system, and it directs incoming electrophiles to the 2- and 4-positions.
Topics that use Activating and 2,4-directing effect of the –OH group
- Aromatic compounds (OCR A-Level)
Related terms
- 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
- Directing effects of the –OH group
Using Activating and 2,4-directing effect of the –OH group in the exam
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