Physical Properties of Aromatic Hydrocarbons

NOTE ON THE SOURCE TEXT: the book's own page prints this heading as '13.4. Physical Properties:' (reusing the number 13.4, already used for the alkyne section above) -- a verified duplicate-numbering slip; it is filed here as 13.5.5, continuing the aromatic-hydrocarbon hierarchy, since a JSON key cannot hold two different sections under one duplicate number. Benzene is a colourless liquid, insoluble in water, soluble in alcohol, ether and chloroform. It burns with a luminous, sooty flame, in contrast to alkanes and alkenes, which typically burn with a bluish flame (the sootiness reflects benzene's h …