a) % Transmittance % Transmittance 1. Determine whether the spectra below originate from an alcohol, a carboxylic acid, or neither. 100 100 80- 60- 40- 20- % Transmittance 80- 60- 40- 20- 0. 0. 4000 3500 3000 2500 2000 1500 Wavenumber (cm-1) 1000 4000 3500 3000 2500 2000 1500 1000 (b) Wavenumber (cm-1) 100- 100 80- 60- 40- 20- 4000 3500 0- =) 100- % Transmittance 80- 60- 40- 20- % Transmittance 10 80- 60- 40- 40 20 20 0 3000 2500 2000 1500 1000 4000 3500 Wavenumber (cm-1) (d) 3000 2500 2000 Wavenumber (cm-1) 1500 1000 100- % Transmittance 80- 60- 10 40 20 20 0. 0 4000 3500 3000 2500 2000 1500 1000 4000 3500 e) Wavenumber (cm-1) (f) 3000 2500 2000 Wavenumber (cm-1) 1500 1000

a) % Transmittance % Transmittance 1. Determine whether the spectra below originate from an alcohol, a carboxylic acid, or neither. 100 100 80- 60- 40- 20- % Transmittance 80- 60- 40- 20- 0. 0. 4000 3500 3000 2500 2000 1500 Wavenumber (cm-1) 1000 4000 3500 3000 2500 2000 1500 1000 (b) Wavenumber (cm-1) 100- 100 80- 60- 40- 20- 4000 3500 0- =) 100- % Transmittance 80- 60- 40- 20- % Transmittance 10 80- 60- 40- 40 20 20 0 3000 2500 2000 1500 1000 4000 3500 Wavenumber (cm-1) (d) 3000 2500 2000 Wavenumber (cm-1) 1500 1000 100- % Transmittance 80- 60- 10 40 20 20 0. 0 4000 3500 3000 2500 2000 1500 1000 4000 3500 e) Wavenumber (cm-1) (f) 3000 2500 2000 Wavenumber (cm-1) 1500 1000

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter14: Mass Spectrometry

Section: Chapter Questions

Problem 14.27P: Following is the mass spectrum of an unknown compound. The two highest peaks are at m/z 120 and 122....

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