Question

2. The diagram below shows the results of a simple thin layer chromatography experiment. height reached by the solvent the "solvent font a) Describe briefly, but precisely, what you would have done in order to get to this stage. You can assume that you have been given a suitable thin layer chromatography plate. b) Why is there a cover on the beaker? c) In order to help identify the things in a chromatogram, you can measure the Rf value for each spot. How would you work out the Rf value for each of the spots on the chromatogram above? d) The Rf value for a particular component in a mixture is only constant if you carefully control certain variables during the experiment. Suggest three variables, which would have to be controlled

Answer 1

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first a,b,c ans.
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Answer 2

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