ARENES AND BENZENE RINGS (aromatic hydrocarbons)

SP2 hybridisation, trigonal planar (120º)
BENZENE : colourless liquid, boils at 80º, obtained by distillation of coal/bitumen/wood
burn with a luminous, smoky flame
all c-c and c-h bonds are of the same length
the π-electron system consists of 6 electrons delocalised over the 6 carbon atoms
MECHANISM: ELECTROPHILIC SUSBTITUTION (benzene) + FREE-RADICAL SUBSTITUTION (methylbenzene)

REACTIONS OF BENZENE AND METHYLBENZENE

	Erstellt von Tas neem vor fast 9 Jahre

main points