A proton signal measured in a 90MHz spectrometer shows a doublet with peaks at 5.65 and 5.72 ppm. What is the chemical shift and coupling constant for this doublet? a. δ=5.69ppm, J=5.17 Hz b. δ=5.69ppm, J=6.30 Hz c. δ=5.72ppm, J=6.30 Hz d. δ=5.72ppm, J=5.17 Hz
A proton signal measured in a 90MHz spectrometer shows a doublet with peaks at 5.65 and 5.72 ppm. What is the chemical shift and coupling constant for this doublet? a. δ=5.69ppm, J=5.17 Hz b. δ=5.69ppm, J=6.30 Hz c. δ=5.72ppm, J=6.30 Hz d. δ=5.72ppm, J=5.17 Hz
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
Chapter20: Molecular Mass Spectrometry
Section: Chapter Questions
Problem 20.9QAP
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A proton signal measured in a 90MHz spectrometer shows a doublet with peaks at 5.65 and 5.72 ppm. What is the chemical shift and coupling constant for this doublet?
a.
δ=5.69ppm, J=5.17 Hz
b.
δ=5.69ppm, J=6.30 Hz
c.
δ=5.72ppm, J=6.30 Hz
d.
δ=5.72ppm, J=5.17 Hz
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