4. MATCH a structure from the list below to the following IR spectra. Place the letter of thestructure in the blank provided.100D40004000A.B.3000300020002000D.1500Wavenumber (cm-¹)E.F.1500Wavenumber(cm-¹)HOOH10001000H500500

IR spectroscopy is essential for identification of compounds . In IR spectroscopy there is unique…

4. MATCH a structure from the list below to the following IR spectra. Place the letter of the structure in the blank provided. ii) 100 4000 A 4000 B. C. 3000 www 1500 Wavenumber (cm-¹) 3000 2000 2000 1500 D. Wavenumber(cm-¹) HO OH E. 38 H F. 1000 1000 500 500

4. MATCH a structure from the list below to the following IR spectra. Place the letter of the structure in the blank provided. ii) 100 4000 A 4000 B. C. 3000 www 1500 Wavenumber (cm-¹) 3000 2000 2000 1500 D. Wavenumber(cm-¹) HO OH E. 38 H F. 1000 1000 500 500

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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Question

4. MATCH a structure from the list below to the following IR spectra. Place the letter of the
structure in the blank provided.
100
D
4000
4000
A.
B.
3000
3000
2000
2000
D.
1500
Wavenumber (cm-¹)
E.
F.
1500
Wavenumber(cm-¹)
HO
OH
1000
1000
H
500
500

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2. READ THE DIRECTIONS TO EACH QUESTION CAREFULLY - not following the directions means you get the question wrong! 3. FORMAT YOUR ANSWERS AS DIRECTED - formatting your answers incorrect means you get the question wrong! 4. Below are the IR regions and NMR chemical shifts table for use with the spectroscopy problems: ¹H NMR 12 R 11 10 OH R D H 9 8 7 H ppm 6 C=C-H OH 5 NH H-C-X H-C-O -OH X = F, Cl, Br (i.e. electronegative atom) 3 -NH 2 H-C-N H-C-S CC-H H-C-C=C 1 H-C-C=O-CH HC-0 -CH3 -CH₂- 0 4000 DIO small range range of values broad peak =C-H N-H 3250- 3300 broad with spikes -3300 3500 -O-H broad-3300 -3400 -O-H -CIN N-H CO H =C ㅏ 2730- 2820 H 3000- 2 peaks 3100 C-H H 2850- 2960 O -C-O-H broad-3000 3000 usually strong -CEN 2500 wavenumber, cm-¹ 2200 <-CICH B 2200 2000 H 0 C 0:0 C. ပြီး 1680 1730 O OR 1710 1600- 1660 18%0.058 N 1650 viz NR₂ 1600 1500 D 1000
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6. The ir and MS for a compound are shown below. Identify the compound. Clearly show your reasoning. Wavelengh um 5.5 25 26 27 28 29 3 3.5 10 11 12 13 14 IS 16 a. 4000 3800 3600 3400 3200 3000 2800 2600 2400 2200 2000 1800 1600 1400 1200 1000 S00 600 Wavenumber (cm 100 43 58 50 29 100 71 85 20 40 60 80 100 120 mlz z 02011 Pearson Education, Inc. Relative abundance
TH f) C9H10O2 13 12 11 11 % Transmittance 95 90 85 80 75 70 65 60 55 45 50 3500 Propose a chemical structure 3250 GIVE 10 10 9 pom 3000 2750 2500 2250 Wavenumbers (cm-1) ©2019, Sigma-Aldrich Co. ALL RIGHTS RESERVED ATR 300 MHz ¹H NMR In CDC13 & DM SO-d6 2 doublets 44 2000 8 7 5 6 ©2019, Sigma-Aldrich Co. ALL RIGHTS RESERVED 1750 4 1500 3H tnplet 2H quartet 3 2 1