(Solved): Hydrogen bonding Consider the molecule shown below carefully. Please count the totat number of \( \ ...

Hydrogen bonding Consider the molecule shown below carefully. Please count the totat number of \( \pi \) bonds present in the molecule. i) Number of \( \pi \) bonds in the molecule: ii) Circle all the H-bond donors in the molecule iii) How many hydrogen bond acceptors are present on the molecule? iv) Molecule A and Molecule B have aimost equivalent molecular weight. Examine both structures and circle the molecule that is expected to have the higher boiling point. Justify your claim with one or two brief sentences. Molecule B Propose two possible hydrogen-bonding interactions between: i) 2 molecules of lactic acid; ii) isopropanol, the secondary alcohol with formula \( \mathrm{C}_{3} \mathrm{H}_{7} \mathrm{OH} \). Rank the following sequence on molecules in order of boiling points. (Lowest b.p=1). i) ii) (ii) fV) Winter in the Northern Hemisphere can be harsh. The molecule shown below is ofen applied to the upper layer of skin and forms a protective barrier to prevent moisture loss. Study the molecule carefuty and write a few sentences on your prediction for each point below. Be sure to justify your prediction. D) Major intermolecular force that exists between molecules: ii) Solubility in water: iii) Molecular polarity based on bond dipoles: Arrange the following series of molecules in order of increasing boiling points (lowest first). Rank the following set of molecules \( (1-4) \) in order of boiling points. Highest \( b . p=4 \) i) ii) (i) ) iv)