orgo chem II C-NMR please help with "possible meanings" sections L-NMR SpectrumBase PeakPaste the NMR spectrum below and label the important peaks.Spectrum Scan [7299]2.5-Data saved in "c:\projects\data\2020\02\19\EM KS UNK 27 2 19 2020\20200219-083609-EM KS UNK 27 2 19 2020-1D CARBON WALTZ"2.0-1.5-1.0-0.5-0.0-200150100250ppmFor each peak in the 13C-NMR spectrum, list the chemical shift and possible meanings. Add orremove rows as needed.C8 (ррт)Possible MeaningsA177.0Aromatic, O=C, C-XВ177.0|34.934.9E24.9Amplitude

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orgo chem II C-NMR please help with "possible meanings" sections

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Section13.SE: Something Extra

Problem 30AP

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

orgo chem II C-NMR please help with "possible meanings" sections

L-NMR Spectrum
Base Peak
Paste the NMR spectrum below and label the important peaks.
Spectrum Scan [7299]
2.5-
Data saved in "c:\projects\data\2020\02\19\EM KS UNK 27 2 19 2020\20200219-083609-EM KS UNK 27 2 19 2020-1D CARBON WALTZ"
2.0-
1.5-
1.0-
0.5-
0.0-
200
150
100
250
ppm
For each peak in the 13C-NMR spectrum, list the chemical shift and possible meanings. Add or
remove rows as needed.
C
8 (ррт)
Possible Meanings
A
177.0
Aromatic, O=C, C-X
В
177.0
|
34.9
34.9
E
24.9
Amplitude

Expert Solution

Step 1

177ppm can be for carboxylic acid i.e. -COOH group.

34.9ppm can be for alkane

34.9 ppm can be for R-X where X can be Iodine, bromine, chlorine.

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