Medicore123 Posted June 8, 2014 Share Posted June 8, 2014 (edited) Is there a simple test tube reaction (or reactions) that can be used to differentiate between hexane and cyclohexane? (So no mass spectrometry, boiling point analysis etc., or identification by smell). What about differentiating between hexane and benzene? By 'simple test tube reaction' I mean, for example, aldehydes produce a silver mirror with Tollens reagent whereas ketones don't react (standard conditions). Edited June 8, 2014 by Medicore123 Link to comment Share on other sites More sharing options...
John Cuthber Posted June 8, 2014 Share Posted June 8, 2014 Put it in a test tube. Cool the tube in ice water. Cyclohexane will freeze. Hexane won't. Benzene will also freeze under those conditions. 3 Link to comment Share on other sites More sharing options...
studiot Posted June 8, 2014 Share Posted June 8, 2014 (edited) Useful tips, thanks John, +1 Edited June 8, 2014 by studiot Link to comment Share on other sites More sharing options...
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