aromatic chemistry Flashcards by jemma tulloch

Q

explain the bonding in and the shape of a benzene molecule

A

each carbon has three covalent bonds
-outer p orbital electrons overlap to form delocalised electrons above and below plane
hexagonal planar molecue with all c-c bonds of equal length
-benzene enthalpy is -208 whereas cyclohexatriene is -360. less exothermic so more stable

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Q

what is the electrophile for friedal crafts acylation

A

+COR

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Q

how is the electrohpile generated

A

ROCCl + AlCl3 -> +OCR + AlCl4- reflux

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Q

A

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