Solutions of benzene, hexane and hexene can all be separated based on differences in boiling point.
A fail-proof method of identifying compounds is by the use of properties such as boiling point for liquids. Since Hexane, hexene and benzene are all liquids, the liquids can all be subjected to heating and the boiling points of the solutions are observed.
Recall that the boiling points of pure chemical substances have been documented in literature, the boiling points obtained for each sample can be compared with the boiling points in literature and the different solutions can be correctly identified:
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