6) Which molecule below has hydrogen bonding? A) HO B) CH3OH C) HF D) NH3- E) all of the above 7) Which intermolecular forces are found in CC4? A) X-forces- (B) dispersion forces C) dipole-dipole forces D) hydrogen bonding E) none of the above 8) Which intermolecular force is common to all polar molecules but NOT nonpolar molecules? A) hydrogen bonding B) X-forces C) dispersion forces D) dipole-dipole forces E) none of the above 9) For each of the following sets, indicate the substance with the highest boiling point: a) CH6 C8H18, or C4H10 b) HE HC1, or HBr c) CH-O-CH3 or CH-CH-O-H e) CH3-CH2-CH3 of CH-O-CH) 9/% 10). A flask contains air at 722 mm Hg and 22C. What would the temperature of the gas be if the increased to 1.07 atm? d) HO, C3Hg, of MgO f) Csor CH-O-H 123 16 1 pressure is