Chemistry: An Introduction to General Organic and Biological Chemistry (13th Edition)
13th Edition
ISBN: 9780134564586
Author: Timberlake
Publisher: PEARSON
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Textbook Question
Chapter 12.3, Problem 12.15PP
Identify each of the following compounds as an
a.
b.
c.
d.
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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 12 Solutions
Chemistry: An Introduction to General Organic and Biological Chemistry (13th Edition)
Ch. 12.1 - Give the IUPAC name for each of the following: a....Ch. 12.1 - Give the IUPAC name for each of the following: a....Ch. 12.1 - Prob. 12.3PPCh. 12.1 - Draw the condensed structural formula, or...Ch. 12.1 - Give the common name for each of the following: a....Ch. 12.1 - Prob. 12.6PPCh. 12.1 - Draw the condensed structural formula, or...Ch. 12.1 - Draw the condensed structural formula, or...Ch. 12.2 - Classify each of the following alcohols as primary...Ch. 12.2 - Classify each of the following alcohols as primary...
Ch. 12.2 - Prob. 12.11PPCh. 12.2 - Prob. 12.12PPCh. 12.2 - Give an explanation for each of the following...Ch. 12.2 - Give an explanation for each of the following...Ch. 12.3 - Identify each of the following compounds as an...Ch. 12.3 - Identify each of the following compounds as an...Ch. 12.3 - Give the common name for each of the following: a....Ch. 12.3 - Give the common name for each of the following: a....Ch. 12.3 - Give the IUPAC name for each of the following: a....Ch. 12.3 - Give the IUPAC name for each of the following: a....Ch. 12.3 - Draw the condensed structural formula for each of...Ch. 12.3 - Draw the condensed structural formula for each of...Ch. 12.3 - Which compound in each of the following pairs...Ch. 12.3 - Which compound in each of the following pairs...Ch. 12.4 - Write the balanced chemical equation for the...Ch. 12.4 - Write the balanced chemical equation for the...Ch. 12.4 - Prob. 12.27PPCh. 12.4 - Draw the condensed structural or line-angle...Ch. 12.4 - Draw the condensed structural or line-angle...Ch. 12.4 - Draw the condensed structural or line-angle...Ch. 12.4 - Draw the condensed structural formulas for the...Ch. 12.4 - Draw the condensed structural formulas for the...Ch. 12.4 - Prob. 12.33PPCh. 12.4 - Prob. 12.34PPCh. 12.4 - Oxybenzone is an effective sunscreen whose...Ch. 12.4 - Avobenzone is a common ingredient in sunscreen....Ch. 12 - Prob. 12.37UTCCh. 12 - The compound frambinone has the taste of...Ch. 12 - A compound called resveratrol is an antioxidant,...Ch. 12 - A compound called cinnamaldehyde is found in...Ch. 12 - Prob. 12.41UTCCh. 12 - Prob. 12.42UTCCh. 12 - Prob. 12.43APPCh. 12 - Classify each of the following alcohols as primary...Ch. 12 - Give the IUPAC name for each of the following...Ch. 12 - Give the IUPAC name for each of the following...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Which compound in each pair would be more soluble...Ch. 12 - Which compound in each pair would be more soluble...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Give the IUPAC name for each of the following:...Ch. 12 - Give the IUPAC name for each of the following:...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Which of the following aldehydes or ketones are...Ch. 12 - Which of the following aldehydes or ketones are...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Draw the condensed structural or line-angle...Ch. 12 - Prob. 12.63CPCh. 12 - Draw the condensed structural formulas and give...Ch. 12 - A compound with the formula C4H8O is synthesized...Ch. 12 - A compound with the formula C5H10O oxidizes to...Ch. 12 - Compound A is a primary alcohol whose formula is...Ch. 12 - Compound X is a secondary alcohol whose formula is...Ch. 12 - Prob. 21CICh. 12 - Prob. 22CICh. 12 - Prob. 23CICh. 12 - Prob. 24CICh. 12 - Prob. 25CICh. 12 - lonone is a compound that gives violets their...
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- Nonearrow_forwardPart II. Given below are the 'H-NMR spectrum at 300 MHz in CDC13 and mass spectrum using electron ionization of compound Brian. The FTIR of the said compound showed a strong peak at 1710 cm"). Determine the following: (a) molecular Formula and Degree of unsaturation of compound Brian (b) Basing on the given H-NMR spectrum tabulate the following (i) chemical shifts (ii) integration, ciii) multiplicity and (iv) interferences made for each signal (c) Draw the structure of compound Brian. ) ΕΙ 43 41 27 71 114 (M+) Hmmm 20 30 40 50 60 70 80 90 100 110 120 1H NMR spectrum 300 MHz in CDCl3 2.0 alle 1.0arrow_forwardThe iron-iron carbide phase diagram. In the diagram, the letter L indicates that it is a liquid. Indicate what its components are. Temperature (°C) 1600 10 Composition (at% C) 15 25 1538°C -1493°C 8 1400 1200 1394°C y+L L 2500 1147°C y. Austenite 2.14 4.30 2000 1000 912°C y + Fe3C 800ㅏ 0.76 0.022 600 a, Ferrite a + Fe3C 400 0 (Fe) Composition (wt% C) 727°C 1500 Cementite (Fe3C) 1000 6 6.70 Temperature (°F)arrow_forward
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