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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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collinrulez collinrulez
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6 years ago
Could you distinguish 2,2-dimethylbutane from 2-methylpentane using mass spectrometry?
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#1
6 years ago
Yes, although M+ at m/z = 86 for both compounds is identical, the fragmentation patterns of the two compounds should show two major differences. We would expect 2,2-dimethylbutane to have significant peaks at m/z = 57, corresponding to C4H9, and m/z = 71, corresponding to C5H11 . Fragmentation of 2-methylpentane should produce significant peaks at m/z = 43, corresponding to C3H7, and m/z = 57, corresponding to C4H9.
collinrulez Author
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#2
6 years ago
Easily the best answer, ty and have a wonderful day
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