100 2 80- 60 40 20- 4000 500 3000 2500 2000 1500 1000 500 Wavenumber (cm- Chem Rel. shift area 1.16 2.55 5.50 6.74 3.00 2.00 1.00 2.00 203 2.00 TMS 10 O ppm Chemical shift (6) Intensity Transmittance (%)
100 2 80- 60 40 20- 4000 500 3000 2500 2000 1500 1000 500 Wavenumber (cm- Chem Rel. shift area 1.16 2.55 5.50 6.74 3.00 2.00 1.00 2.00 203 2.00 TMS 10 O ppm Chemical shift (6) Intensity Transmittance (%)
Chapter27: Molecular Fluorescence Spectroscopy
Section: Chapter Questions
Problem 27.7QAP
Related questions
Question
Compound A, C8H10O, has the IR and 1H NMR spectra shown. Propose a structure consistent with the observed spectra, and label each peak in the NMR spectrum. Note that the absorption at 5.5 î disappears when D2O is added.
![100
2 80-
60
40
20-
4000 500 3000 2500
2000 1500
1000
500
Wavenumber (cm-
Chem Rel.
shift
area
1.16
2.55
5.50
6.74
3.00
2.00
1.00
2.00
203
2.00
TMS
10
O ppm
Chemical shift (6)
Intensity
Transmittance (%)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74c57fd3-7c33-48c1-a109-b1e78787ca0e%2Fa8e7e88f-148c-45f5-810a-c9d37038ff9c%2Fle4g31m_processed.png&w=3840&q=75)
Transcribed Image Text:100
2 80-
60
40
20-
4000 500 3000 2500
2000 1500
1000
500
Wavenumber (cm-
Chem Rel.
shift
area
1.16
2.55
5.50
6.74
3.00
2.00
1.00
2.00
203
2.00
TMS
10
O ppm
Chemical shift (6)
Intensity
Transmittance (%)
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