No. 27
Author Admin / 2017-11-17
(Yonsei) on homework of Kaw

order of air-water partitioning coefficient, from intuitive consideration:


chloro toluene > hydroxy toluene > methoxy toluene > nitro toluene

non-polar                                                                          most polar (thus, water soluble)


choro (-Cl) is stable thus hydrophobic and non-soluble in water

hydroxy is polar from difference in electro-negativity between O and H

methoxy is polar from difference between C and O, and between aromatic C and O

nitro (-NO2) is the highest polar, from difference N and O, and another N and O