Following are infrared spectra of methylenecyclopentane and 2,3-dimethyl-2-butene. Assign each compound its correct spectrum. Micrometers 2.5 100 6 9. 10 11 12 13 14 15 20 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-1) Transmittance (%) Micrometers 2.5 100 8 12 20 6. 9. 10 11 13 14 15 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-1) Transmittance (%)

Following are infrared spectra of methylenecyclopentane and 2,3-dimethyl-2-butene. Assign each compound its correct spectrum. Micrometers 2.5 100 6 9. 10 11 12 13 14 15 20 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-1) Transmittance (%) Micrometers 2.5 100 8 12 20 6. 9. 10 11 13 14 15 90 80 70 60 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-1) Transmittance (%)

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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SPECTRUM 1: C3H₂NO possible structing % Transmittance 100 95 90 85 80 75 70. 65 60 55 50 45 4000 3750 3500 3250 ***** ***** 3000 ATR 2750 2500 2250 2000 Wavenumbers (cm-1) © 2023, Sigma-Aldrich Co. ALL RIGHTS RESERVED ******* 1750 1500 ****** ****** 1250 ***** **** 1000 750
2
Please interpret the spetra and lebel all peaks.
Q1. A solution (0.005 M), has a transmittance percent equal to 13.3%. Calculate the transmittance percent for 0.05 M solution? 133 x10-7 None 8.76 x10-9 1.74x10-7 1.33 x10-7 0.876x10-9
MASS % of Base Peak IR 100 5045 % Transmittance 100 T 50 4000 1540 ¹H NMR 300 MHz t 557 5.0 Hz 60 alla illle 677 69 1140 4.5 70 4.0 13C/DEPT NMR 75.5 MHz 3000 130 120 110 100 الد الله da 110 113 100 110 mm 817 Hz 500 90 80 m/z Wavenumber (cm-¹) 3.5 ми линия 80 90 480 Hz 957 3.0 70 2000 440 2.5 Hz 1450 2.0 -1126 120 1000 60 50 40 30 1287 130 1.5 ppm 20 ppm
3. Th T 1001 90 80- 70- 60- 50- 40- 30- 20- 10- Transmittance 0- 50- 40- 30- 20- 10- zk 178 200.4 3500 39 41 50 51 125. 200 TB0 160 2H 2H ito ita Molecular Formula: C₁0H120 MW = 148 60 1H IN 3000 128.5 132.0 137.0 IR 128.0 2500 Wavenumber (cm-1) ¹HNMR 13 CNMR 2000 140 120 TOO 2H 60 1500 WALL Positive El Mass Spectrum 105 148 MA 120 133 91 40 50 60 70 80 90 100 110 120 130 140 150 160 MZ 40.4 1000 + 15 t 17.7 13.0 20 परं + + 134,1 परे 4 1324 5
% TRANSMITTANCE 100 4000 3580 3.0 Proton NMA 2959.18 2938.83 3888 2.5 2874 38 1H 1H 230 220 210 200 190 PPM Carbon 13 NMA 2588 HAVENUMBERS ר 2.0 70 2888 60 1716.08. 1H 1.5 2 1460.30- 1377.35 - 1500 2H 1.5H SC SOTT 1024.33. 1000 843. 1.5H 1.0 PPM 20 10 PPM O MF C8H160 MW 128 %C 74.9 %H 12.6 0.5
what's the base peaks in this IR
Isoamyl acetate 100 90 80 70 60 50 40 20 10 4000 3500 3000 2500 2000 1500 1000 500 wave number(cm-1) Band Intensity Assigned to the link Frequency (cm") Vibrational mode W M S % de transmittance
Attach the spectra for A and B compounds here and identify the functional groups by completing the table for A and B respectively. S of them! Group Group Frequency Intensity (cm-¹) A Frequency Intensity (cm-¹) B 1. Acohol 2. Aromatic ring 3. c = c stretching vibration 4 CH bend 5. Amine.
You will check the outcome of reaction via infra-red spectroscopy: what are the diagnostic functional group peaks for the following compounds? You should also indicate the stretching motions responsible for absorbance. Dilantin benzil (unreacted starting material) Urea (unreacted starting material)
What functional groups are present in this IR graph?