TLC Exercises:


 1. Describe three ways in which colorless compounds can be located on a TLC plate.








 2. Why should a TLC plate be removed from the solvent before the solvent front reaches the top

    of the plate ?







 3. The separating power or activity of a TLC plate is increased by heating the plate in an oven

    @ 100oC. Why ?







 4. Why should the developing chamber for a TLC plate not be open to the atmosphere ?