12. For each of the four problems below, consider the two pairsof atoms/ions/molecules. Which pair (i or ii) would be attracted toone another by the strongest intermolecular interaction? Justifyyour answer, making sure to name the type(s) of intermolecularinteraction(s) that are involved in each case. You will receive nocredit without a proper justification.
a. (5 points) i) Two argon atoms OR ii) two xenon atoms?
b. (5 points) i) Two NH3 molecules OR ii) two PH3 molecules?
c. (5 points) i) A Cl- ion and a K+ ion OR ii) a water moleculeand a K+ ion?
d. (5 points) i) A Cl- ion and a K+ ion (dissolved in methanol,dielectric constant 33) OR ii) a Cl- ion and a K+ ion (dissolved inwater, dielectric constant 78).
