posted by JEN .
Assume your sample spots are 1 cm above the bottom of the TLC plate. What happens if you put the plate in a developing chamber that has 1.2 cm of developing solvent?
A. The solvent will move up the plate by capillary action faster.
B. The sample spots will become more concentrated.
C. The compounds to be analyzed will end up in the developing solvent.
D. The pencil marks will dissolve in the developing solvent.