Which of the following statements are TRUE for first-order analyses of NMR spectra (the type of analysis most commonly done). True False The difference in absorption frequency is equal to or less than 6 J. True False First-order multiplets are symmetrical, and their chemical shift is given by the position of the first peak in the multiplet. True False Carbon-13, an NMR-active nucleus, has a nuclear spin quantum number of 0. True False Equivalent protons do not split each other. True False The spin-multiplicity of the proton NMR absorption of the methyl group in ethanol-OD is 4.
Which of the following statements are TRUE for first-order analyses of NMR spectra (the type of analysis most commonly done). True False The difference in absorption frequency is equal to or less than 6 J. True False First-order multiplets are symmetrical, and their chemical shift is given by the position of the first peak in the multiplet. True False Carbon-13, an NMR-active nucleus, has a nuclear spin quantum number of 0. True False Equivalent protons do not split each other. True False The spin-multiplicity of the proton NMR absorption of the methyl group in ethanol-OD is 4.
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter14: Mass Spectrometry
Section: Chapter Questions
Problem 14.24P
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Which of the following statements are TRUE for first-order analyses of NMR spectra (the type of analysis most commonly done).
True False The difference in absorption frequency is equal to or less than 6 J.
True False First-order multiplets are symmetrical, and their chemical shift is given by the position of the first peak in the multiplet.
True False Carbon-13, an NMR-active nucleus, has a nuclear spin quantum number of 0.
True False Equivalent protons do not split each other.
True False The spin-multiplicity of the proton NMR absorption of the methyl group in ethanol-OD is 4.
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