formula CH40. Determine a structure to each pair of spectra and assign each H and C. Carbon spectrum B Carbon spectrum C,H0 CH0 CDCI, CDCI, Proton spectrum CHO Proton spectrum C,H,0 1.96 2.00 2.91

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Carbon Spectrum C
C7H140
200
180
160
140
120
100
80
60
40
20
CDS-07-303
ppm
Proton spectrum
C,H140
C
1.95
2.98
8.91
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Transcribed Image Text:Carbon Spectrum C C7H140 200 180 160 140 120 100 80 60 40 20 CDS-07-303 ppm Proton spectrum C,H140 C 1.95 2.98 8.91 3.0 2.5 2.0 1.5 1.0 0.5 0.0
Following are the 'H and 13C NMR spectra for each of three isomeric ketones with
formula C7H14O. Determine a structure to each pair of spectra and assign each H and C.
Carbon spectrum
B
Carbon spectrum
C,H140
А
C,H140
CDCI3
CDCI3
200
150
100
50
200
150
100
50
Proton spectrum
C,H140
В
Proton spectrum
A
C,H140
2.9
2.8
2.7
1.96
2.00
2.91
1.04
6.18
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.0
2.5
2.0
1.5
0.5
0.0
211.04
-44.79
–17.39
– 13.78
-218.40
-38.85
–18.55
Transcribed Image Text:Following are the 'H and 13C NMR spectra for each of three isomeric ketones with formula C7H14O. Determine a structure to each pair of spectra and assign each H and C. Carbon spectrum B Carbon spectrum C,H140 А C,H140 CDCI3 CDCI3 200 150 100 50 200 150 100 50 Proton spectrum C,H140 В Proton spectrum A C,H140 2.9 2.8 2.7 1.96 2.00 2.91 1.04 6.18 3.0 2.5 2.0 1.5 1.0 0.5 0.0 3.0 2.5 2.0 1.5 0.5 0.0 211.04 -44.79 –17.39 – 13.78 -218.40 -38.85 –18.55
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