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20. Determine the structure of the following compounds using the information provided. a. 100r 100 43 105 71 50 50 27 77 154 114 79 58 20 40 60 80 100 120 20 40 60 80 100 120 140 160 mlz mlz Wanclength m 25 26 27 2S 29 3 3.5 13 28 29 3 12 %3D 12 13 14 15 16 Je 3 1200 on 200 200 2400 2200 *100 O-e00 00 3200 3000 2N00 2600 2400 2200 1000 4000 0 1600 1400 1200 Wavenumber iem, 2 6. 5 3 8 7 6 5 4 8 (ppm) frequency 8 (ppm) frequency

20. Determine the structure of the following compounds using the information provided. a. 100r 100 43 105 71 50 50 27 77 154 114 79 58 20 40 60 80 100 120 20 40 60 80 100 120 140 160 mlz mlz Wanclength m 25 26 27 2S 29 3 3.5 13 28 29 3 12 %3D 12 13 14 15 16 Je 3 1200 on 200 200 2400 2200 *100 O-e00 00 3200 3000 2N00 2600 2400 2200 1000 4000 0 1600 1400 1200 Wavenumber iem, 2 6. 5 3 8 7 6 5 4 8 (ppm) frequency 8 (ppm) frequency

Chemistry
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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How would I determine the sturcture of these two compounds

20. Determine the structure of the following compounds using the information provided. a. 100r 100 43 105 71 50 50 27 77 154 114 79 58 20 40 60 80 100 120 20 40 60 80 100 120 140 160 mlz mlz Wanclength m 25 26 27 2S 29 3 3.5 13 28 29 3 12 %3D 12 13 14 15 16 Je 3 1200 on 200 200 2400 2200 *100 O-e00 00 3200 3000 2N00 2600 2400 2200 1000 4000 0 1600 1400 1200 Wavenumber iem, 2 6. 5 3 8 7 6 5 4 8 (ppm) frequency 8 (ppm) frequency
Transcribed Image Text:20. Determine the structure of the following compounds using the information provided. a. 100r 100 43 105 71 50 50 27 77 154 114 79 58 20 40 60 80 100 120 20 40 60 80 100 120 140 160 mlz mlz Wanclength m 25 26 27 2S 29 3 3.5 13 28 29 3 12 %3D 12 13 14 15 16 Je 3 1200 on 200 200 2400 2200 *100 O-e00 00 3200 3000 2N00 2600 2400 2200 1000 4000 0 1600 1400 1200 Wavenumber iem, 2 6. 5 3 8 7 6 5 4 8 (ppm) frequency 8 (ppm) frequency
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Step 1

Spectra at left: 1710 cm-1 carbonyl stretch. keto functional group present. Fron NMR propyl group is present. Therefore the structure is 4-heptanone.

Spectra at right: 1690 cm-1 carbonyl strech. keto functinal group present. m/z 105 indicates a benzoyl group. M:M+2 ratio is 3:1. Therefore chlorine present. therefore the structure is 2-chloro-1-phenylethanone.

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