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EXERCISE 1: 1. Match the following compounds to their MS by placing the letter on the correct spectrum. 1 79904 7.904 B OH MASS SPECTRUM 100 80 60 Rel. Intensity 40 20 0.0+ 0.0 40 80 120 160 200 m/z 100 MASS SPECTRUM 80 60 Rel. Intensity 40 20 0.0 0.0 40 80 120 160 200 AF 100 MASS SPECTRUM 80 60 Rel. Intensity 40 20 0.0+ 0.0 40 80 120 160 200 m/z m/z 2. Which compound is most likely to produce the following MS data? Rel. Abundance (%) 41 83 69 100 104 33 105 1.8 106 11 a. C. OH 3. Which fragment corresponds to the signal at 45 m/z in the mass spectrum of 3-methylpentan-2-ol? OH I let go w b. C. d