General, Organic, and Biological Chemistry Seventh Edition
7th Edition
ISBN: 9781305767867
Author: H. Stephan Stoker
Publisher: Cengage Learning
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Chapter 19, Problem 19.26EP
In each of the following pairs of fatty acids, select the fatty acid that has the higher melting point.
- a. 14:0 acid and 18:0 acid
- b. 20:4 acid and 20:5 acid
- c. 18:3 acid and 20:3 acid
- d. 16:0 acid and 16:1 acid
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Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below.
Find the following:
(a) The no. of protons corresponding to each signal in the spectra
(6) Give the structure of the compound and assign the signals to each
proton in the compound.
a
70.2
Integration Values
C5H10O2
b
47.7
C
46.5
d
69.5
3.6 3.5
3.4 3.3 3.2 3.1 3.0
2.9 2.8
2.7
2.6 2.5
2.4 2.3 2.2 2.1 2.0
Chemical Shift (ppm)
1.9
1.8
1.7 1.6
1.5
1.4 1.3 1.2
1.1 1.0
0.9 0.8
Part 111. 1 H-NMR spectrum of a compound with integration values in red is given below.
Answer the following:
(a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure
of the molecule below.
(b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible.
complex splitting patterns assuming J values are not similar.
там
Br
22
2
3
6
4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0
Chemical Shift (ppm)
ra.
Br
2
3
6
6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
Chemical Shift (ppm)
2
2
Br
7.3
7.2
7.1
7.0 6.9
6.7 6.6 6.5
6.4
6.3
6.2
6.1
6.0
Chemical Shift (ppm)
5.9
5.8 5.7
5.5 5.4 5.3 5.2
5.0 4.9
1600°
1538°C
1493°C
In the diagram, the letter L indicates
that it is a liquid. Indicate its
components in the upper region
where only L is indicated.
The
iron-iron carbide phase
diagram.
Temperature (°C)
1400
8
1394°C
y+L
1200
2.14
y, Austenite
10000
912°C
800a
0.76
0.022
600
400
(Fe)
a, Ferrite
Composition (at% C)
15
1147°C
a + Fe3C
2
3
Composition (wt% C)
L
2500
4.30
2000
y + Fe3C
727°C
1500
Cementite (Fe3C)
1000
4
5
6
6.70
Temperature (°F)
Chapter 19 Solutions
General, Organic, and Biological Chemistry Seventh Edition
Ch. 19.1 - Prob. 1QQCh. 19.1 - Which of the following is not a biochemical...Ch. 19.1 - The saponifiable/nonsaponifiable classification...Ch. 19.2 - Prob. 1QQCh. 19.2 - Prob. 2QQCh. 19.2 - Prob. 3QQCh. 19.2 - Prob. 4QQCh. 19.3 - Prob. 1QQCh. 19.3 - Prob. 2QQCh. 19.4 - How many structural subunits are present in the...
Ch. 19.4 - Prob. 2QQCh. 19.4 - How many different simple triglyceride molecules...Ch. 19.4 - Prob. 4QQCh. 19.4 - Prob. 5QQCh. 19.4 - Unsaturated fatty acid residues are structural...Ch. 19.5 - Prob. 1QQCh. 19.5 - Prob. 2QQCh. 19.5 - Prob. 3QQCh. 19.6 - Prob. 1QQCh. 19.6 - Prob. 2QQCh. 19.6 - Prob. 3QQCh. 19.6 - Prob. 4QQCh. 19.6 - Prob. 5QQCh. 19.6 - Prob. 6QQCh. 19.7 - Based on biological function, phospholipids are...Ch. 19.7 - Prob. 2QQCh. 19.7 - Which of the following statements about the...Ch. 19.7 - When the head and two tails structural model is...Ch. 19.7 - Prob. 5QQCh. 19.7 - Prob. 6QQCh. 19.8 - The number of structural building blocks present...Ch. 19.8 - Prob. 2QQCh. 19.9 - Prob. 1QQCh. 19.9 - Which of the following types of membrane lipids...Ch. 19.9 - Prob. 3QQCh. 19.10 - Which of the following is a correct representation...Ch. 19.10 - Prob. 2QQCh. 19.10 - Prob. 3QQCh. 19.10 - Prob. 4QQCh. 19.10 - Which of the following membrane transport...Ch. 19.11 - Which of the following statements concerning bile...Ch. 19.11 - Which of the following statements concerning...Ch. 19.12 - Prob. 1QQCh. 19.12 - Prob. 2QQCh. 19.12 - Prob. 3QQCh. 19.13 - Prob. 1QQCh. 19.13 - Aspirin reduces inflammation and fever by...Ch. 19.13 - Prob. 3QQCh. 19.14 - Prob. 1QQCh. 19.14 - Prob. 2QQCh. 19.14 - Prob. 3QQCh. 19.15 - In which of the following pairs of lipid types are...Ch. 19.15 - Prob. 2QQCh. 19.15 - Prob. 3QQCh. 19 - Indicate whether each of the following general...Ch. 19 - Indicate whether each of the following general...Ch. 19 - Would you expect lipids to be soluble or insoluble...Ch. 19 - Would you expect lipids to be soluble or insoluble...Ch. 19 - What is the biochemical function category for each...Ch. 19 - What is the biochemical function category for each...Ch. 19 - Classify each of the following fatty acids as...Ch. 19 - Classify each of the following fatty acids as...Ch. 19 - Classify each of the following fatty acids as...Ch. 19 - Classify each of the following fatty acids as...Ch. 19 - Prob. 19.11EPCh. 19 - Prob. 19.12EPCh. 19 - Prob. 19.13EPCh. 19 - Prob. 19.14EPCh. 19 - Prob. 19.15EPCh. 19 - Classify each of the fatty acids in Problem 19-14...Ch. 19 - Draw the condensed structural formula for the...Ch. 19 - Draw the condensed structural formula for the...Ch. 19 - Prob. 19.19EPCh. 19 - Using the information given in Table 19-1, assign...Ch. 19 - What is the relationship between carbon chain...Ch. 19 - What is the relationship between degree of...Ch. 19 - What structural change is associated with the...Ch. 19 - Why does the introduction of a cis-double bond...Ch. 19 - In each of the following pairs of fatty acids,...Ch. 19 - In each of the following pairs of fatty acids,...Ch. 19 - What are the four structural subunits that...Ch. 19 - Draw the general block diagram for a...Ch. 19 - Prob. 19.29EPCh. 19 - Prob. 19.30EPCh. 19 - Draw the condensed structural formula of a...Ch. 19 - Draw the condensed structural formula of a...Ch. 19 - Draw block diagram structures for the four...Ch. 19 - Draw block diagram structures for the three...Ch. 19 - Identify, by common name, fatty acids present in...Ch. 19 - Identify, by common name, fatty acids present in...Ch. 19 - Prob. 19.37EPCh. 19 - Prob. 19.38EPCh. 19 - Prob. 19.39EPCh. 19 - Prob. 19.40EPCh. 19 - Prob. 19.41EPCh. 19 - Prob. 19.42EPCh. 19 - Prob. 19.43EPCh. 19 - Prob. 19.44EPCh. 19 - Prob. 19.45EPCh. 19 - Prob. 19.46EPCh. 19 - For each of the triacylglycerol molecules in...Ch. 19 - For each of the triacylglycerol molecules in...Ch. 19 - What are the general names for the products...Ch. 19 - What additional products are formed when a...Ch. 19 - Classify each of the reaction situations in...Ch. 19 - Prob. 19.52EPCh. 19 - Draw condensed structural formulas for all...Ch. 19 - Draw condensed structural formulas for all...Ch. 19 - Prob. 19.55EPCh. 19 - Draw condensed structural formulas for all...Ch. 19 - Why can only unsaturated triacylglycerols undergo...Ch. 19 - Prob. 19.58EPCh. 19 - How many molecules of H2 will react with one...Ch. 19 - How many molecules of H2 will react with one...Ch. 19 - Prob. 19.61EPCh. 19 - Prob. 19.62EPCh. 19 - Prob. 19.63EPCh. 19 - Prob. 19.64EPCh. 19 - Prob. 19.65EPCh. 19 - Prob. 19.66EPCh. 19 - Prob. 19.67EPCh. 19 - Prob. 19.68EPCh. 19 - The following is a block diagram for a...Ch. 19 - Prob. 19.70EPCh. 19 - Prob. 19.71EPCh. 19 - Prob. 19.72EPCh. 19 - Prob. 19.73EPCh. 19 - Indicate whether each of the following statements...Ch. 19 - Based on the head and two tails model for the...Ch. 19 - Based on the head and two tails model for the...Ch. 19 - Prob. 19.77EPCh. 19 - Prob. 19.78EPCh. 19 - Prob. 19.79EPCh. 19 - Prob. 19.80EPCh. 19 - Prob. 19.81EPCh. 19 - Prob. 19.82EPCh. 19 - Prob. 19.83EPCh. 19 - Prob. 19.84EPCh. 19 - Which of the terms triacylglycerol,...Ch. 19 - Prob. 19.86EPCh. 19 - Prob. 19.87EPCh. 19 - Which of the terms triacylglycerol,...Ch. 19 - Prob. 19.89EPCh. 19 - Prob. 19.90EPCh. 19 - Prob. 19.91EPCh. 19 - Prob. 19.92EPCh. 19 - Prob. 19.93EPCh. 19 - Prob. 19.94EPCh. 19 - Prob. 19.95EPCh. 19 - Prob. 19.96EPCh. 19 - Give numerical answers to the following questions...Ch. 19 - Prob. 19.98EPCh. 19 - Prob. 19.99EPCh. 19 - Prob. 19.100EPCh. 19 - In a dietary context, what is the difference...Ch. 19 - Prob. 19.102EPCh. 19 - Prob. 19.103EPCh. 19 - Prob. 19.104EPCh. 19 - Indicate whether each of the following statements...Ch. 19 - Indicate whether each of the following statements...Ch. 19 - What is the function of unsaturation in the...Ch. 19 - Prob. 19.108EPCh. 19 - Prob. 19.109EPCh. 19 - Prob. 19.110EPCh. 19 - Prob. 19.111EPCh. 19 - Prob. 19.112EPCh. 19 - Prob. 19.113EPCh. 19 - Prob. 19.114EPCh. 19 - Prob. 19.115EPCh. 19 - Prob. 19.116EPCh. 19 - Prob. 19.117EPCh. 19 - Prob. 19.118EPCh. 19 - Prob. 19.119EPCh. 19 - Prob. 19.120EPCh. 19 - Prob. 19.121EPCh. 19 - Prob. 19.122EPCh. 19 - Prob. 19.123EPCh. 19 - Prob. 19.124EPCh. 19 - What is the medium through which bile acids are...Ch. 19 - What is the chemical composition of bile?Ch. 19 - At what location in the body are bile acids stored...Ch. 19 - Prob. 19.128EPCh. 19 - Prob. 19.129EPCh. 19 - Prob. 19.130EPCh. 19 - Prob. 19.131EPCh. 19 - Prob. 19.132EPCh. 19 - Prob. 19.133EPCh. 19 - Prob. 19.134EPCh. 19 - Prob. 19.135EPCh. 19 - Prob. 19.136EPCh. 19 - Prob. 19.137EPCh. 19 - Prob. 19.138EPCh. 19 - Draw the structure of an anabolic steroid with the...Ch. 19 - Prob. 19.140EPCh. 19 - What is the major structural difference between a...Ch. 19 - What is the major structural difference between a...Ch. 19 - Prob. 19.143EPCh. 19 - What structural feature distinguishes a...Ch. 19 - Classify each of the following types of lipids as...Ch. 19 - Classify each of the following types of lipids as...Ch. 19 - Prob. 19.147EPCh. 19 - Prob. 19.148EPCh. 19 - Prob. 19.149EPCh. 19 - Draw the condensed structural formula of a wax...Ch. 19 - Prob. 19.151EPCh. 19 - Biological waxes have a head and two tails...Ch. 19 - Which of the substance categories biological wax,...Ch. 19 - Which of the substance categories biological wax,...Ch. 19 - Prob. 19.155EPCh. 19 - Prob. 19.156EPCh. 19 - Prob. 19.157EPCh. 19 - Indicate whether or not each of the following...Ch. 19 - Prob. 19.159EPCh. 19 - Prob. 19.160EPCh. 19 - Prob. 19.161EPCh. 19 - Prob. 19.162EP
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