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Displacement series of the Halogens.
Member rating: No Rating | Words: | Submitted: Wed Feb 04 2004
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Data collection: The Halogens were dissolved in both water and hexane. It dissolved more readily in hexane. They therefore dissolve better in non - polar solvents. Having said this, the halogens do dissolve in water, a polar solvent, because of instantaneous dipoles. They dissolve much more readily and easily, however, in non - polar solvents. Hexane is a non - polar solvent. In this experiment, hexane is put in a test tube with the aqueous solution of a halide ion: The test tube is shaken and the hexane is physically mixed through the aqueous solution. As it is mixed through the solution, the halide ions move from the aqueous solution to the hexane, because they dissolve much more readily in the non - polar solvent. Hexane is less dense than water and, when the shaking stops, the hexane floats to the surface...
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