Lab 8: Thin Layer Chromatography (TLC) PRELABORATORY QUESTIONS Dp59-61. 1. What is chromatography used for and how does it work? 2. Name some applications of thin layer chromatography: 3. Predicting relative movement of the following test compounds on the tlc plate. From your reading, determine the intermolecular forces available for each of the compound listed and order according to polarity (1=least polar, 4-most polar) On ho CH, 8 Compound Name Functional group Type of intermolecular interaction possible Rank adsorption to silica[1-weakest; 4. strongest)