12) infrared spectra and 1H NMR spectra for each compound are provided on this and the next Compounds A, B, and C were found to have a molecular formula CaHsO2. The page. Determine the structural formula of each compound. IHD = Compound A 6 H Compound A 1 H 1 H 11 10 Compound B 3 H Compound B 1H Kexchanges with D20) 2H 10 Compound C ff 口 Compound C 3H 1 H 2H 2 H 10

12) infrared spectra and 1H NMR spectra for each compound are provided on this and the next Compounds A, B, and C were found to have a molecular formula CaHsO2. The page. Determine the structural formula of each compound. IHD = Compound A 6 H Compound A 1 H 1 H 11 10 Compound B 3 H Compound B 1H Kexchanges with D20) 2H 10 Compound C ff 口 Compound C 3H 1 H 2H 2 H 10

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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A compound shows only one peak at 0.9 ppm on its 1H-NMR. Its IR shows only a strong peak right below 3,000 cm-1. Its molar mass is 72. Elemental analysis indicated 83.3% carbon, 16.7% hydrogen. Which compound is it? Pentane 2-Methyl-butan-1-ol 2,2-Dimethylpropane CHO-CH2-CHO Cyclobutanamine
Following are the 'H and 13C NMR spectra for each of four isomeric bromoalkanes with formula CaH9Br. Assign a structure to each pair of spectra and assign all H's and C's. Carbon spectrum C,H,Br C CDCI; Proton spectrum C4H,Br 1.80 1.83 1.87 2.64 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0
With reference to structure A, label structure B as an identical compound, a constitutional isomer, a resonance structure, or none of the above. Select the single best answer.
Each spectrum corresponds to only one compound. Fill in the table based on the information from the spectrum. Choose and write/draw the structure that conforms to the information. Draw at least 2 possible fragments. show the steps on how you came up with the answer.
Q4: The proton NMR spectrum of a compound with formula C8H14O2 is shown. The DEPT experimental results are tabulated. The infrared spectrum shows medium-sized bands at 3055, 2960, 2875, and 1660 cm-1 and strong bands at 1725 and 1185 cm-1. Draw the structure of this compound. Normal Carbon DEPT-135 DEPT-90 10.53 ppm Positive No peak Positive No peak No peak No peak 12.03 14.30 Positive 22.14 Negative No peak No peak 65.98 Negative 128.83 No peak 136.73 Positive Positive 168.16 No peak No peak (C=0) 0.97 2.05 7.92 2.96 7.0 6.5 60 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0
Give the compounds with the following spectral data. a. C8H8O3 IR: 3500 cm to 2500 cm, 1688 cm! NMR: 8 3.8, s, 3H 87.0, d, 2H 8 7.9, d, 2H 8 12.7, s, 1H b. CSH1002 IR: 3400 cm to 2600 cm, 1701 cm NMR: 8 0.9, s, 3H 8 1.6, m, 2H 8 2.0, d, 3H 82.9, m 1H 8 11.7, s, 1H
27. Draw the structure of the compound that has a molecular formula of CrH1O2 and has the following IR, 'NMR and 1NMR spectra. 1741 cm-1 1000 4800 3000 CDClg QE-300 3H 3H 2H 2H THE sextet pentet 12 10
Question 12
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