Concept explainers
Describe the
the splitting pattern for each signal, and the approximate chemical shift?
(a)
Interpretation:
The
Concept introduction:
The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. In
Answer to Problem 14.17P
The
The number of NMR signals, the splitting pattern for each signal and the approximate chemical shift values are rightfully stated.
Explanation of Solution
The given compound is ethyl methyl ether
Figure 1
The proton
The
(b)
Interpretation:
The
Concept introduction:
The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. In
Answer to Problem 14.17P
The
The number of NMR signals, the splitting pattern for each signal and the approximate chemical shift values are rightfully stated.
Explanation of Solution
The given compound is isopropylpropionate
Figure 2
The proton
The
(c)
Interpretation:
The
Concept introduction:
The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. In
Answer to Problem 14.17P
The
The number of NMR signals, the splitting pattern for each signal and the approximate chemical shift values are rightfully stated.
Explanation of Solution
The given compound is
Figure 3
The proton
The
(d)
Interpretation:
The
Concept introduction:
The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. In
Answer to Problem 14.17P
The
The number of NMR signals, the splitting pattern for each signal and the approximate chemical shift values are rightfully stated.
Explanation of Solution
The given compound is
Figure 4
The proton
The
Want to see more full solutions like this?
Chapter 14 Solutions
Organic Chemistry
- Shown below is the H-NMR spectra of acetaminophen. Draw the structure and correlate each hydrogen in the molecule with the various peaks in the spectra.arrow_forwardDescribe the 1H NMR spectrum you would expect , indicating the relative positions of the signals:arrow_forwardPredict the number of signals expected in the 'H-NMR spectrum. 1 B 2 C 3 D 4 E Aarrow_forward
- The 1H-NMR spectrum of ethanol shows a triplet at 1.23 ppm, a singlet at 2.61 pm, and a quartet at 3.69 ppm. Assign each signal to the protons it corresponds to in the molecule. Explain the splitting pattern observed for each signal.arrow_forward1Compound 1 has molecular formula C7H16. It shows three signals in the 1H-NMR spectrum, one at 0.85 ppm, one at 1.02 ppm, and one at 1.62 ppm. The relative integrals of these three signals are 6, 1, and 1, respectively. Compound 2 has molecular formula C7H14. It shows three signals in the 1H-NMR spectrum, one at 0.98 ppm, one at 1.36 ppm, and one at 1.55 ppm. The relative integrals of these three signals are 3, 2, and 2, respectively. Propose structures for compounds 1 and 2, explaining how you reach your conclusion.arrow_forwardIndicate the number of signals and the multiplicity of each signal in the 1H NMR spectrum of each of the following compounds:arrow_forward
- Compound 1 has molecular formula C6H12. It shows three signals in the 1H-NMR spectrum, one at 0.96 ppm, one at 2.03 ppm, and one at 5.33 ppm. The relative integrals of these three signals are 3, 2, and 1, respectively. Compound 2 has molecular formula C7H15Br. It shows two signals in the 1H-NMR spectrum, one at 1.08 ppm and one at 1.59 ppm. The relative integrals of these two signals are 3 and 2, respectively. Propose structures for compounds 1 and 2, explaining how you reach your conclusion.arrow_forwardA compound with a molecular formula C12H24 exhibits an H+ NMR spectrum with only one signal and a 13 C NMR spectrum with two signals. Draw the structure of the compound.arrow_forwardNMR spectroscopyarrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY