The compound G's 1H-NMR spectrum is shown below. Assign the spectrum (feel free tojust use arrows from the chemical structure drawing to the spectrum signals)..N*9876543PPM-2Assign the 13C-NMR spectrum for the compound G above (feel free to just use arrowsfrom the chemical structure drawing to the spectrum signals).кадж180160140120100PPM80604020-0

For the 1H-NMR Spectrum:For the peak at around 1.27 ppm these hydrogens are the most shielded.…

Answered: The compound G's 1H-NMR spectrum is…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Section13.11: Characteristics Of 13c Nmr Spectroscopy

Problem 18P: Propose structures for compounds that fit the following descriptions: (a) A hydrocarbon with seven...

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Following are two constitutional isomers with the molecular formula C4H8O2. (a) Predict the number of signals in the 1H-NMR spectrum of each isomer. (b) Predict the ratio of areas of the signals in each spectrum. (c) Show how you can distinguish between these isomers on the basis of chemical shift.
Following are three compounds with the molecular formula C4H8O2 and three 1H-NMR spectra. Assign each compound its correct spectrum and assign all signals to their corresponding hydrogens. (1) (2) (3)
The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown. Propose a structure for this hydrocarbon, and explain the spectral data.
Give an analysis of Benzene NMR Spectrum Questions: Proton environment How many types of proton environments are present? How many different NMR signals would you expect? Chemical Shift Give the chemical shift: Splitting pattern Number of neighboring protons? Number of lines expected? Draw the chemical structure.
1Compound 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.
How many 1H NMR signals will each have?
The following is the predicted 1H-NMR spectrum for an unknown compound with molecular formula C6H14O . This compound is a liquid at room temperature, is slightly soluble in water, and reacts with sodium metal with the evolution of a gas.
Determine the structure of the compound C10H14 whose 13C NMR spectrum is shown here. C10H14 200 150 100 50 Chemical shift (ppm)
6) a)Assign the peaks in the 'H NMR shown below to the correct protons in molecule shown below. The portion of the NMR between 8-6.5 ppm has been magnified for easier viewing. (Hint: Draw resonance structures to distinguish the benzene and alkene Hs. 1H 2H 1H الس 2H CHH BH. CH3 A CH3 D H3C N H CH3 H 6H 6H PPM b) Draw a resonance that shows how you can differentiate the alkene hydrogens in the NMR. It is ok to have more than one positive and negative charge for the resonance structures with a NO2 group.) H H3C-N CH3 CH3 CH3
CH3 2. An unknown isomer of C4H9Cl has the ¹³C NMR and DEPT-135 spectra shown below: 13C NMR: 90 70 |||| A 50 8 (ppm) CH3CH₂CH₂ CH₂ CI 30 10 DEPT-135: CH3 CH3-CHCH₂-CI B 90 70 Circle the compound that is represented by these spectra. Clearly explain your reasoning. you will need to explain how each of the other three isomers was eliminated from consideration. 50 8 (ppm) CH3CH₂ CH-CI CH3 C 30 10 CH3 CH3-C-CI CH3 D
AA compound with molecular formula C8H18 exhibits a 1H NMR spectrum with only one signal. How many signals would you expect in the 13C NMR spectrum of this compound? B.A compound with molecular formula C9H18 exhibits a 'H NMR spectrum with only one signal and a 13C NMR spectrum with two signals. Draw the structure of this compound. Draw Your Solution C. A compound with molecular formula C17H36 exhibits a ¹H NMR spectrum with only one signal. How many signals would you expect in the 13C NMR spectrum of this compound? D. Your answer is partially correct. For the following pair of compounds, identify how you would distinguish them using either ¹H NMR spectroscopy or 13C NMR spectroscopy. Enter the number of signals expected in each spectrum (enter as a number, e.g. "2"). Compound 1 Compound 2 Compound 1 is expected to have 2 signals in its ¹H NMR spectrum and 4 13C NMR spectrum. Compound 2 is expected to have 6 signals in its ¹H NMR spectrum and 10 signals in its 13C NMR spectrum. E.…
Following are the 'H and 13C NMR spectra for each of three isomeric ketones with formula C7H14O. Determine a structure to each pair of spectra and assign each H and C. Carbon spectrum А C,H140 Carbon spectrum В C;H140 CDCI3 200 150 100 50 Proton spectrum CDC13 A C,H140 200 150 100 50 1.96 2.00 2.91 3.0 2.5 2.0 1.5 1.0 0.5 0.0 211.04 -44.79 –17.39 – 13.78 -218.40 - 38.85 –18.55

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