14. Determine the structure of the following compounds based on the information provided: b) CęH12O2 а) CSH120 Wavelength m 55 12 13 14 15 16 25 26 27 28 29 3 Wavelength (jum 5.5 10 12 13 14 15 16 4000 3800 00 3400 3200 1600 3400 3200 3000 2800 2600 2400 200 Wavenumber iem 1800 1600 1400 1200 1000 600 Wavenumber iem" 2. 6. 4 3 4. 3 8 (ppm) frequency 8 (ppm) frequency - Screen Shot 2021-10-12 at 1.46.44 AM Screen Shot 2021-10-12 at 1.46.51 AM c) CaH;CIO2 d) C4H8O2 25 29 3 Wavelength um 5.5 27 28 29 3 sWavelengeh ijam 4.5 8 15 16 10 12 13 14 15 16 9 10 12 13 14 11 1400 11 3400 3200 3000 2800 2600 2400 2200 300 3600 3400 3200 3000 2800 2600 2400 2200 2000 1000 2000 1800 1600 1400 1200 1000 1800 1600 1200 600 800 Wavenumber (em" Wavenumber (em" 3. Offset: 2.0 ppm 2 3 45 44 4 8 (ppm) 6. 5 4 1 frequency 8 (ppm)
14. Determine the structure of the following compounds based on the information provided: b) CęH12O2 а) CSH120 Wavelength m 55 12 13 14 15 16 25 26 27 28 29 3 Wavelength (jum 5.5 10 12 13 14 15 16 4000 3800 00 3400 3200 1600 3400 3200 3000 2800 2600 2400 200 Wavenumber iem 1800 1600 1400 1200 1000 600 Wavenumber iem" 2. 6. 4 3 4. 3 8 (ppm) frequency 8 (ppm) frequency - Screen Shot 2021-10-12 at 1.46.44 AM Screen Shot 2021-10-12 at 1.46.51 AM c) CaH;CIO2 d) C4H8O2 25 29 3 Wavelength um 5.5 27 28 29 3 sWavelengeh ijam 4.5 8 15 16 10 12 13 14 15 16 9 10 12 13 14 11 1400 11 3400 3200 3000 2800 2600 2400 2200 300 3600 3400 3200 3000 2800 2600 2400 2200 2000 1000 2000 1800 1600 1400 1200 1000 1800 1600 1200 600 800 Wavenumber (em" Wavenumber (em" 3. Offset: 2.0 ppm 2 3 45 44 4 8 (ppm) 6. 5 4 1 frequency 8 (ppm)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:14. Determine the structure of the following compounds based on the information provided:
b) CęH12O2
а) CSH120
Wavelength m
55
12
13
14
15 16
25 26 27 28 29 3
Wavelength (jum
5.5
10
12
13
14
15 16
4000 3800 00 3400
3200
1600
3400 3200 3000 2800 2600 2400 200
Wavenumber iem
1800
1600
1400
1200
1000
600
Wavenumber iem"
2.
6.
4
3
4.
3
8 (ppm)
frequency
8 (ppm)
frequency
- Screen Shot 2021-10-12 at 1.46.44 AM
Screen Shot 2021-10-12 at 1.46.51 AM
c) CaH;CIO2
d) C4H8O2
25 29 3
Wavelength um
5.5
27 28 29 3
sWavelengeh ijam
4.5
8
15 16
10
12
13 14
15 16
9
10
12
13
14
11
1400
11
3400 3200 3000 2800 2600 2400 2200
300 3600 3400 3200 3000 2800 2600 2400 2200
2000
1000
2000
1800
1600
1400
1200
1000
1800
1600
1200
600
800
Wavenumber (em"
Wavenumber (em"
3.
Offset: 2.0 ppm
2
3
45
44
4
8 (ppm)
6.
5
4
1
frequency
8 (ppm)
Expert Solution
Step 1
Compound a : carbonyl stretch is absent. From NMR compound is ether (singlet and triple around 3.3 and 3.4).
Compound b: carbonyl stretch of ester at 1740 cm-1. From NMR a tert-Butyl (1.1, 9H) and OCH3 at 3.7.
Compound c: carbonyl stretch at 1720 cm-1 and From NMR ethoxy present (triplet and quartet).
Compound d: carbonyl stretch at 1700 cm-1 and 3500 to 3000 cm-1 hydroxy stretch. From NMR propyl group is present. Therefore compound is butanoic acid
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