Chapter 25: Q17P (page 1320)
Give the general classification of each compound.



Short Answer
- Triglyceride
- Synthetic detergent
- Wax
- Sesquiterpene
- Prostaglandin
- Steroid
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Chapter 25: Q17P (page 1320)
Give the general classification of each compound.



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The long-term health effects of eating partially hydrogenated vegetable oils concern some nutritionists because many unnatural fatty acids are produced. Consider the partial hydrogenation of linolenic acid by the addition of one or two equivalents of hydrogen. Show how this partial hydrogenation can produce at least three different fatty acids we have not seen before.
Give an equation for the complete hydrogenation of trilinolein using an excess of hydrogen. Name the product and predict approximate melting points for the starting material and the product.
Draw the structure of an example of each of the following types of lipids:
(a) a saturated fat (b) a polyunsaturated oil (c) a wax (d) a soap (e) a detergent
(f) a phospholipid (g) a prostaglandin (h) a steroid (i) a sesquiterpene
The synthesis of the alkylbenzenesulfonate detergent shown in figure 25-6 begins with the partial polymerization of propylene to give a pentamer.

Show how aromatic substitution reactions can convert this pentamer to the final synthetic detergent.
Point out the hydrophilic and hydrophobic regions in the structures of sodium dodecyl sulfate, Nonoxynol®, and the alkylbenzenesulfonate detergent (Figure 25-6).
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