Chemistry A-Level
Delocalised π system in benzene
What Delocalised π system in benzene means in Chemistry A-Level, as defined for OCR.
Definition of Delocalised π system in benzene
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Reference: OCR
Benzene's six π electrons are delocalised over all six carbon atoms of the ring, giving lower π electron density at any one carbon.
Topics that use Delocalised π system in benzene
- 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
- Directing effects
- Directing effects of OH, NH₂ and NO₂
- Directing effects of the –OH group
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