How many peaks would each compound show in their 13C NMR spectrum? a) eucalyptol b) linalool You are analyzing an essential oil extract from a flower using GC/MS and youidentify the terpene isomers linalool (MW 154) and eucalyptol (MW 154) in the products andobtain the mass spectra shown below:Rel. IntensityRel. Intensity1008060-40200.0+0.0100the80-6040200.0-0.0Jutal80m/zLinaloolMASS SPECTRUM40EucalyptolMASS SPECTRUM4080m/z120120160160Oog BACenoeucalyptol(EinlogOHlinalool

Each unique carbon gives one peak in 13C-NMR. So, the number of peaks in 13C-NMR equals to the…

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How many peaks would each compound show in their 13C NMR spectrum? a) eucalyptol b) linalool

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter28: High-performance Liquid Chromatography

Section: Chapter Questions

Problem 28.5QAP

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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

How many peaks would each compound show in their 13C NMR spectrum?

a) eucalyptol

b) linalool

You are analyzing an essential oil extract from a flower using GC/MS and you
identify the terpene isomers linalool (MW 154) and eucalyptol (MW 154) in the products and
obtain the mass spectra shown below:
Rel. Intensity
Rel. Intensity
100
80
60-
40
20
0.0+
0.0
100
the
80-
60
40
20
0.0-
0.0
Jutal
80
m/z
Linalool
MASS SPECTRUM
40
Eucalyptol
MASS SPECTRUM
40
80
m/z
120
120
160
160
O
og BAC
eno
eucalyptol
(Einlog
OH
linalool

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