14.83d Modify the given structure of pinolenic acid to draw the ionic structure corresponding to the following peak. D) m/z = 117 HO Save for Later Edit Drawing CH3 Attempts: unlimited Submit Answer

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Page 19 of 19 6. What molecular ion(s) would you expect for compounds having the molecular formulas Example) CH-F A. C.H.CI B. CHIN C. CH4N₂ D. E. F. Br i C₁H₂F = 62 One peak at m/z 62

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3.What peaks would expect to find for you Vs, cie'thy) amine thy) in the InfraRed' spectrum? +-butyl 'amine us. n-butyl amine

Assign each mass spectrum to the molecule on the list. Write down the molecule that corresponds to the main fragments. 1. 60 80 100 0 20 80 m/z B. Jadi 71 100 0 20 00 10 40 miz m/z D. MY. -Taut A. C. 8 2

Relative Abundance IR Peaks A B NMR DUR SA 1997 STRUCTURE TROBLEM VA D (tuo) E (two) MASS SPECTRUM: -- с INTEGRAL-S MASS SPECTRUM m/e 91 43 29 B INTEGRAL Ca 10 PF www STRUCTURE Your Same Assignmeuty NAR A M(134) 7pm 5 Spetutting no. of PROPOSED STRUCTURE: Please propose a structure that fits SODAR, IR, NMR, and Mass Spectrum. Also, Cirse each group of hydrogens elabel them A, B, C to show the NMR assignments. 43 99

Consider the following molecule, draw the structure of the fragment that you would expect to be the base peak in the MS. .. NN []n ? HOCX D Marvin JS by ChemAxon H C N O SF P CI Br Open in Re

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The nitrogen rule of mass spectrometry says that a compound containing an odd number of nitrogens has an odd-numbered molecular ion. Conversely, a compound containing an even number of nitrogens has an even-numbered M+ peak. Explain.