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Chem-182Fall -09Exam – IMaterials: Chapter; 12, 13, and 14Professor: Dr. N. Marashi1. Hydrogen bonding is present in all of the following molecular solids EXCEPT _______ .a) H2SO4b) NH3c) CH3d) HFe) H2O2Answer: c2. Place the following cations in order from lowest to highest hydration enthalpy.3. As pure molecular solids, which of the following exhibits dipole-dipole intermolecular forces: PBr3, SO2, I2, and CO2?4. Arrange H2O, H2S, and H2Se in order from lowest to highest boiling point.5. What intermolecular force or bond is primarily responsible for the solubility of CH3OH in water?a) ion-dipole forceb) dipole-dipole forcec) ionic bonding