I NEED HELP WITH ALL OF THEM PLEASEEEE ITS AN EMERGENCY

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I NEED HELP WITH ALL OF THEM PLEASEEEE ITS AN EMERGENCY

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11-1. The melting points of a few fatty acids are listed in Table 11-6. On the basis of these data, explain the charac- teristic that distinguishes neutral fats and oils. 11-2. What prediction can be made regarding the value of the melting point temperature for (a) palmitoleic acid, (b) lauric acid, (c) arachidic acid, and (d) arachidonic acid? (Refer to the data in Table 11-6.)
11–3. Draw line formulas for (a) C22, (b) (C22:1)41°(cis), and (C) (C22:4)44,6,c,d (conjugated pattern of unsaturation begin- ning at carbon 7). 11-4. If a mixture consisting of a triglyceride and phospha- tidyl choline were analyzed by thin-layer chromatography on silica gel in a chloroform-methanol-water developing solvent, you would observe complete separation, with the Re
TABLE 11-6 Data for Exercise 11-1 ACID MELTING POINT () - - Linoleic acid Linolenic acid Myristic acid Oleic acid Palmitic acid Stearic acid - 5.0 - 10.0 53.9 13.4 63.1 69.6 of the triglyceride being approximately 1 and that of phos- phatidyl choline approximately 0.4. Explain why the Reval- ues of these two lipids differ so widely.