-Why is a layer of sand above the alumina in the column in column chromatography?
- What are the differences between column chromatography and thin layer chromatography?
- If a compound had an Rf value of .5 in a particular solvent, how many column lengths of that solvent would it theoretically require for the compound to travel through the column.
-Explain why or why not NaCl can be purified by column chromatography.
Aspects of column chromatography and thin layer chromatography are discussed.