Compound C SH 3H 2H 2H 10 8 7 3 2 0 ppm Chemical shift (8) Micrometers 2.5 100 10 11 12 13 14 15 20 90 80 * 70 60 50 40 30 20 10 Compound C 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-!) Transmittance (%)

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter4: Introduction To Quantum Mechanics
Section: Chapter Questions
Problem 10P: Use the data in Figure 4.8 to estimate the ratio of radiation intensity at 10,000 Å (infrared) to...
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Compound C shows a molecular ion at m/z 148 and other prominent peaks at m/z 105 and 77. Following are its infrared and 1H-NMR spectra.

Q.) Account for the appearance of peaks in its mass spectrum at m/z 105 and 77.

Compound C
SH
3H
2H
2H
10
8
7
3
2
0 ppm
Chemical shift (8)
Micrometers
2.5
100
10
11
12
13
14 15
20
90
80
* 70
60
50
40
30
20
10
Compound C
4000
3600
3200
2800
2400
2000
1800
1600
1400
1200
1000
800
600
400
Wavenumber (cm-!)
Transmittance (%)
Transcribed Image Text:Compound C SH 3H 2H 2H 10 8 7 3 2 0 ppm Chemical shift (8) Micrometers 2.5 100 10 11 12 13 14 15 20 90 80 * 70 60 50 40 30 20 10 Compound C 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-!) Transmittance (%)
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