Mass Spectrometry PROBLEM SET II This set of mass spectra introduce spectra of compounds with multiple functionality To help with the identification, IR and sometimes UV data will be given to assist identification of the unknown.
CHEM 430 - Mass Spectrometry Problem Set II
Nov 08, 2014
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Mass Spectrometry PROBLEM SET II
This set of mass spectra introduce spectra of compounds with multiple functionality
To help with the identification, IR and sometimes UV data will be given to assist identification of the unknown.
Mass Spectrometry PROBLEM SET II
1. For the following compounds, determine the best possible structure that gives each of the following mass spectra:a. Mass Spectrum: M+ 130 (5.8), M+1 (0.4); UV max 244, log = 3.8
Mass Spectrometry PROBLEM SET II
1. For the following compounds, determine the best possible structure that gives each of the following mass spectra:a. FTIR (CCl4); UV max 244, log = 3.8
Mass Spectrometry PROBLEM SET II
1. For the following compounds, determine the best possible structure that gives each of the following mass spectra:b. Mass Spectrum: M+ 136 (75.0), M+1 (6.8); UV max 244, log = 3.8
Mass Spectrometry PROBLEM SET II
1. For the following compounds, determine the best possible structure that gives each of the following mass spectra:b. FTIR (film); UV max 220, log = 4.1; max 280, log = 4.2
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:c. Mass Spectrum: M+ 136 (57.8) M+1 (5.1), no UV data available
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:c. FTIR (KBr)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:d. Mass Spectrum: M+ 156 (70.8), M+1 (5.6), M+2 (23.0)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:d. FTIR (KBr); UV max 230.7, log = 3.7, max 281, log =2.9
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:e. Mass Spectrum: M+ 84 (1.6), M+1 (0.2)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:e. FTIR (film); no UV data
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:f. Mass Spectrum M+ 135 (9.5), M+1 (1.2)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:f. FTIR (film); UV unavailable
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:g. Mass Spectrum: M+ 100 (4.3), M+1 (0.3)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:g. FTIR (film); UV unavailable
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:h. Mass Spectrum: M+ 183 (51.0), M+1 (4.3)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:h. FTIR (KBr); UV unavailable
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:i. Mass Spectrum: M+ 124 (87.1), M+1 (6.9)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:i. FTIR: (film); UV unavailable
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:j. Mass Spectrum: M+ 168 (2.5), M+1 (0.3), M+2 (0.9)
Mass Spectrometry PROBLEM SET II
2. For the following compounds, determine the best possible structure that gives each of the following mass spectra:j. FTIR: (KBr)
Mass Spectrometry PROBLEM SET II
2. Answers:a. ethyl acetoacetateb. p-anisaldehydec. 3’-hydroxyacetophenoned. o-chlorobenzoic acide. 1-pentyn-3-olf. N-ethylbenzylamineg. vinyl propionateh. 3-nitrosalicylic acidi. guiacol (2-methoxyphenol)j. 3-chloropropiophenone (Cl on the chain)
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