The log Henry constant $($units of L$-$atm$/$mole and measured at $25C)$ for trichloroethylene $($TCE$)1\mathrm{.}03$ tetrachloroethylene $($PCE$)1\mathrm{.}44$

$1,2-$dimethylbenzene $($o$-$xylene$)$

$0\mathrm{.}71$

parathion

$-3\mathrm{.}42$

Rank the chemicals in order of ease of stripping from water to air.