Organic Chem

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Q: Each of the solvent given should effectively separate one of the following mixtures by thin-layer chromatography. Match the appropriate solvent with the mixture that you would expect to separate well with that solvent. Select your solvent from the following. Hexane, Methylene chloride, or Acetone.

a) 2-phenylethanol and acetophenone: methylene chloride but can't figure it out why...

b) bromobenzene and p-xylene: Hexane?

c) benzoic acid, 2, 4-dinitrobenzoic acid, and 2, 4, 6-trinitrobenzoic acid: acetone maybe?

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