QUESTION 2 Choose the compound that exhibits hydrogen bonding. C 2H 6 None of these compounds exhibit hydrogen bonding. O CH 3OH O CH 2F 2 SCI 2 QUESTION 3 Choose the substance with the highest boiling point. CH 4 KI O CS 2 O HF O12

Which one of the following compounds has the highest boiling point? I II III IV V IV O H OH || V ||| OH

Consider the following experimental boiling points: CH4: -162°C C3Hg: -42°C C6H14: 69°C C9H20: 151°C Which of the following statements is correct for this set of compounds and supported by the data given? Select as many as applicable Select one or more: The molecule with the strongest intermolecular forces is C9H20 The C-C bond is the strongest covalent bond among the four molecules The dominant effect behind this trend is the strength of dipole/dipole forces OCH4 is the most polarizable molecule of the four C9H₂0 is the most polarizable molecule of the four The dominant effect behind this trend is the strength of dispersion forces

Question #15. Hydrogen Bonding. For each of the substances below, tell whether the molecules of that substance would be expected to form hydrogen bonds to each other. H H a) [ Select ] H- H v [ Select ] Yes, there is hydrogen bonding between the molecules of this substance. No, there is no hydrogen bonding in this substance. b) CH4 с) HF [ Select ] H :Q: d) H-C-C-Ö-H [ Select ] H e) Br2 [ Select ] H f) H-C-0-H [ Select ] H