The proton NMR and IR spectra of an unknown compounds is shown on the next page. Using the molecular formula C5H12O, find L a) the index of saturation b) the structure of the unknown compound c) assign the absorption bands to the functional groups in the IR spectrum d) label all peaks in the NMR spectrum, and label the

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter12: Structure Determination: Mass Spectrometry And Infrared Spectroscopy
Section12.SE: Something Extra
Problem 49AP: The infrared spectrum of the compound with the mass spectrum shown below has a medium-intensity peak...
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The proton NMR and IR spectra of an unknown
compounds is shown on the next page. Using the
molecular formula C5H12O, find L
a) the index of saturation
b) the structure of the unknown compound
c) assign the absorption bands to the functional
groups in the IR spectrum
d) label all peaks in the NMR spectrum, and label the
same peak on the hydrogens in the structure
Transmittance (%)
100
80
60
40
20
0
3500
CT TYCE
Tabdf62
2874.30
2500
Wavenumber (cm-¹)
3000
2000
1466.09
1500
1307.78
1124.04
21 seser
908.46
1000
37.21
Transcribed Image Text:The proton NMR and IR spectra of an unknown compounds is shown on the next page. Using the molecular formula C5H12O, find L a) the index of saturation b) the structure of the unknown compound c) assign the absorption bands to the functional groups in the IR spectrum d) label all peaks in the NMR spectrum, and label the same peak on the hydrogens in the structure Transmittance (%) 100 80 60 40 20 0 3500 CT TYCE Tabdf62 2874.30 2500 Wavenumber (cm-¹) 3000 2000 1466.09 1500 1307.78 1124.04 21 seser 908.46 1000 37.21
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