Question 2Sketch the 1H NMR spectra that you would expect to obtain from the compounds 3 to 7. Indicate themultiplicity of the signals and estimate coupling constants where appropriate. Indicate how manyprotons are responsible for each signal. The relative chemical shifts are more important than theprecise values.(3)(5)(7)HOOH(4)OH(6)

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Answered: Question 2 Sketch the 1H NMR spectra…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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7. Determine the structure of the compounds below from their spectroscopy data. Sketch the 'H-NMR spectra of the following a and b compounds. Assign peaks to the structures. a) C3H10 1.2 8 (3H, triplet) 2.6 8 (2H, quartet) 7.1 8 (5H, broad singlet) b) C4H7BrO 2.11 8 (3H, singlet) 3.52 8 (2H, triplet) 4.40 8 (2H, triplet) Cs Scanned with CamScanner
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Give the correct stereochemistry AND regiochemistry of the major product for the reaction shown:
Analysis of a sweet-smelling, neutral compound of carbon, hydrogen and oxygen produced the following results: %C = 54.5; %H = 9.1. From its mass spectrum, the molecular ion had a mass/charge ratio of 88. Its infra-red spectrum showed a prominent peak at 1735 cm–1. Figure below shows the NMR spectrum of the compound. Suggest a structural Formula for this compound.
Deduce the structure from the nmr data
The NMR spectra for compound 1 were acquired in a 7.5 mg / 0.6 mL solution ofCDCl3 and are found in the accompanying file. The 1H are also listedbelow. Identify the name of compound 1 and Provide a full analysis of the NMR spectra for compound 1 with table showing peak name and assignment 1H NMR (400 MHz, CDCl3) δ 7.73 (d, J = 9.5 Hz, 1H), 7.56 (ddd, J = 8.5, 7.5, 1.6 Hz, 1H),7.51 (dd, J = 7.5, 1.6 Hz, 1H), 7.36 (d, J = 8.5 Hz, 1H), 7.30 (dd, J = 8.5, 7.5 Hz, 1H), 6.45(d, J = 9.5 Hz, 1H).
1. How many proton signals would you expect to see in the ¹H-NMR spectrum of the following molecule? For each of the proton signals, predict the splitting pattern, assuming that you can see only 3-bond splitting.
1. How would you differentiate between the following sets of molecules by IR and ¹H NMR? Consider: IR frequency and shape/intensity and NMR chemical shift, integration, and splitting. (There are multiple ways for each, but I am looking the 'blinding headlights' clue that would jump out at you.) VS CI OH VS VS ai i VS OH VS OH
ch1

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