Question 10.1: Using Mass Spectra to Identify Compounds Assume that you hav...
Using Mass Spectra to Identify Compounds
Assume that you have two unlabeled samples, one of methylcyclohexane and the other of ethylcyclopentane. How could you use mass spectrometry to identify them? The mass spectra of both are shown in Figure 10.6.
Strategy
Look at the possible structures and determine how they differ. Then think
about how any of these differences in structure might give rise to differences in mass spectra. Methylcyclohexane, for instance, has a –CH_{3} group, and ethylcyclopentane has a –CH_{2}CH_{3} group, which should affect the fragmentation patterns.
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