11 Oleic acid has a melting point of 16 C. If you converted the cis double bond into a trans double bond, what would hap- pen to the melting point? Explain.

What are the predominant Intermolecular forces (Dipole-dipole, London dispersion, Hydrogen bonding etc) for the following molecules: TeCl6 AsBr5 XeF4 SiCl4

23

Consider the structure shown below. он 3 5 CH; O CH, O H CH; O 1 H-N-CH,-C-N-CH;-C-N-CH-C-N-CH-C-N-CH-C-ơ 2 H. H H Fill in the blank with an integer (1, 2, 3, 4, 5..) as shown in the diagram or to represent a specified number. A hydrophilic side chain is indicated by the number

2- Please consider the polysaccharide structure below CH2OH CH2OH A CHOH CHŁOH 1 CH2 CHOH o OH OH OH OH CH 3 CHOH OH OH OH Он OH OH B 2 OH Он OH 2a- What is the name of the original monosaccharide from which derives the unit labeled with the letter A? and what is the name of that labeled with the letter B? 2b- 3 glycosidic bonds in this structure have been labeled 1, 2 and 3. Which one of these is a beta 1->4 glycosidic bond? Explain. 2c- Which one(s) of the units labeled A, B and C derive(s) from an aldohexose? Explain.