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Concept explainers
(a)
Interpretation: The labeled proton in the given compound that absorbs farther downfield is to be identified.
Concept introduction: Depending upon the electron density or the concentration of electron around hydrogen atoms, the chemical shift values of proton varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.
(b)
Interpretation: The labeled proton in the given compound that absorbs farther downfield is to be identified.
Concept introduction: Depending upon the electron density or the concentration of electron around hydrogen atoms, the chemical shift values of proton varies relative to the reference signal. The terms, upfield and downfield expresses the relative location of signals. The meaning of upfield is to the right and of downfield is to the left.
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Chapter 14 Solutions
ORGANIC CHEMISTRY
- Which of the labeled protons in each pair absorbs farther downeld?arrow_forwardPair the spectra with the molecule that best represents itarrow_forwardIn the HNMR spectrum shown below: A. Signals “a” and “b” appear at different chemical shifts. Why is this so? B. Which proton, 1 or 2, matches signal “a”? C. Why do both signals have the same intensities?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningPhysical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,
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