Organic Chemistry (6th Edition)
6th Edition
ISBN: 9781260119107
Author: Janice Gorzynski Smith
Publisher: McGraw Hill Education
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Chapter 29.3, Problem 2P
How would you expect the melting point of eicosapentaenoic acid
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The main fatty acid component of the triacylglycerols in coconut oil is lauric acid, CH3(CH2)10COOH. Explain why coconut oil is a liquid at room temperature even though it contains a large fraction of this saturated fatty acid.
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4. The ester you drew in Question #1 has a melting point range of 32 - 35 °C. The methyl ester of mono-unsaturated
palmitoleic acid (IUPAC name: hexadec-9-enoic acid) has a considerably lower melting point range: -0.5-+0.5 °C.
a) Explain what it means for a fatty acid to be "mono-unsaturated."
b) Illustrate your explanation by drawing the structure of the methyl ester of octadec-11-enoic acid. (Be sure to draw
the geometric stereoisomer that is commonly found in nature.)
Chapter 29 Solutions
Organic Chemistry (6th Edition)
Ch. 29.2 - Problem 31.1
One component of jojoba oil is a wax...Ch. 29.3 - Problem 31.2
How would you expect the melting...Ch. 29.3 - Problem 31.3
Draw the products formed when...Ch. 29.3 - Problem 31.4
The main fatty acid component of the...Ch. 29.3 - Prob. 5PCh. 29.7 - Problem 31.10
Locate the isoprene units in each...Ch. 29.7 - Problem 31.11
Locate the isoprene units in...Ch. 29.7 - Problem 31.12
Write a stepwise mechanism for the...Ch. 29.7 - Prob. 14PCh. 29.8 - Prob. 15P
Ch. 29.8 - Prob. 16PCh. 29.8 - Prob. 17PCh. 29 - 31.17 Locate the isoprene units in each...Ch. 29 - Prob. 25PCh. 29 - Locate the isoprene units in each compound. a. e....Ch. 29 - 31.27 Classify each terpene and terpenoid in...Ch. 29 - Prob. 33PCh. 29 - Draw three-dimensional structures f or each...Ch. 29 - Prob. 37PCh. 29 - Prob. 38PCh. 29 - Prob. 39PCh. 29 - Prob. 40PCh. 29 - 31.38 Draw the products formed when cholesterol is...Ch. 29 - 31.39 Draw a stepwise mechanism for the following...Ch. 29 - 31.40 Draw a stepwise mechanism for the following...Ch. 29 - Prob. 44P
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- The following is a block diagram for a glycerophospholipid where the building blocks are labeled with letters and the linkages between building blocks are labeled with numbers. a. Which building blocks are fatty acid residues? b. Which building blocks are alcohol residues? c. Which linkages are ester linkages? d. Which linkages involve a phosphate residue?arrow_forwardGive numerical answers to the following questions about the structure of a cholesterol molecule. a. How many six-membered rings arc present? b. How many amide linkages are present? c. How many hydroxyl substituents are present? d. How many total functional groups are present?arrow_forward21-100 What are the functions of a cell membrane? To what extent is a bilayer that consists entirely of lipids able to carry out these functions?arrow_forward
- 21-101 Glycerophospholipids tend to have both a positive charge and a negative charge in their hydrophilic portions. Does this fact help or hinder lipid packing in membranes? Explain.arrow_forwardPlease explain eacharrow_forwardTake a look at this molecule, and then answer the questions in the table below it. CH₂OH CH₂OH H H H H OH H OH H OH OH H OH H OH Is this a reducing sugar? yes α no Does this molecule contain a glycosidic bond? If you said this molecule does contain a glycosidic bond, write the symbol describing it. yes no If you said this molecule does contain a glycosidic bond, write the common names (including anomer and enantiomer labels) of the molecules that would be released if that bond were hydrolyzed. If there's more than one molecule, separate each name with a comma. В G ローロarrow_forward
- e X 1. During the hydrogenation of a cis-linked unsaturated fat, it will always convert to a trans fat when using a catalyst such as Nickel. True or False 2. Triglycerides always have three fatty acid chains linked to a glycerol group, and these fatty acids always have to have the same number of carbons in theirarrow_forwardI don't understand it. Can you help me to explain this question with these answers?arrow_forwardاست Take a look at this molecule, and then answer the questions in the table below it. H OH CH₂OH H O OH OH H H H O CH₂OH H OH H H N H O Is this a reducing sugar? H L OH OH Does this molecule contain a glycosidic bond? If you said this molecule does contain a glycosidic bond, write the symbol describing it. If you said this molecule does contain a glycosidic bond, write the common names (including anomer and enantiomer labels) of the molecules that would be released if that bond were hydrolyzed. If there's more than one molecule, separate each name with a comma. O yes O no O yes O no 0-0 0 α X В ローロ Sarrow_forward
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