Rank the volatility of the following in water from lowest to highest. CH3 CH,-C-CH, CH; neopentane 2-methylbutan-2-ol 2,3-dimethylbutane pentan-1-ol hexane 9. Which intermolecular forces would you expect to occur between two molecules of cholesterol? Which portions of the molecule will interact with each other through these intermolecular forces? 10. DNA contains the bases adenine, thymine, cytosine, and guanine. Adenine pairs with thymine, and cytosine pairs with guanine. What intermolecular force is predominant in this base pairing? Which pair of bases would you expect to be bound more strongly to one another? NH2 NH2 'N. HN HN H2N N Adenine Thymine Guanine Cytosine