I have a question regarding organic chem lab

Question

anonymous · Answer

this is the question

aaronq · Answer

The silica column is polar, so the eluting solvent will be of a more non-polar nature, therefore non-polar molecules will interact more strongly with the eluting solvent more than the column. So the most polar will be elute last and the most non-polar will elute first.

anonymous · Answer

how would i know if something is polar?

aaronq · Answer

from the functional groups present and the geometry of the molecule

aaronq · Answer

look for permanent dipole moments

anonymous · Answer

thanks

aaronq · Answer

no problem

anonymous · Answer

cant figure out whats wrong

aaronq · Answer

that's not the right order.

the most non-polar is the one that is a hydrocarbon, then the aromatic ring, then the alcohol and then the acid