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posted by  gamacmua on 12/1/2008 10:51:08 PM  |  status: Live  

Mass Spectrum

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Unknown C (figure above) has a molecular ion at m/z 74, but this radical ion is very unstable and gives a relative abundance too small to appear here. Deduce the probable structure of Unknown C. (Hint: first assign a probable molecular formula for the molecular ion a m/z 74; then consider carefully the significance of the peak at m/z 73 and m/z 59). The forest of peaks below m/z 59 need not be interpreted.
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posted by stonecold on 12/2/2008 12:14:57 AM  |  status: Live
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  The unknown compound is :
 
            
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