2. List the m ost important (strongest) intermolecular force(s) that must be overcome to (a) remove water of hydration from Na2SO410H2O (b) melt solid CSI (c) vaporize liquid CCl4 3. Consider what happens when liquid CCl4 dissolves in liquid CH3OH. (a) What type of attractive forces must be overcome in the liquid CH3OH ? (b) What type of forces must be overcome in the liquid CCl4 ? (c) What type of attractive forces are important when CCl4 dissolves in liquid CH3OH ? 4. (a) Which of the ions Ca2+,Rb+,Sr2+ wi II have the largest heat of hydration? Which the smallest? (b) Of the two compounds NaCl and KCl, which has the stronger intermolecular forces? (c) Of the two compounds NaNO3 and HF, which has the stronger intermolecular forces