Like dissolves like (observation)

Like dissolves like (observation)

Non-polar substances dissolve in non-polar solvents while polar substances dissolve in polar solvents.




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Carbon tetrachloride CCl₄, Water H₂O, Hexane C₆H₁₄, Iodine I₂, Crystallised copper(II) chloride CuCl₂, Pour the three liquids in a test tube starting with the densest among the three, carbon tetrachloride, then water, and finally the least dense, hexane., Add some iodine to the test tube., Observe what happens to the iodine in the three different liquids., Now add some crystallised copper(II) chloride to the test tube., Observe what happens in the test tube. Why do you think the solubility of iodine and copper(II) chloride is different?, Seal the test tube, then shake it., Observe what happens to the liquids., Why do you think the three liquids do not separate from one another after shaking?
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