6. The MS and 13C NMR spectra for two constitutional Isomers with 4 degrees of unsaturation are shown below. Please determine the molecular structures of the two constitutional isomers. ISOMER JA ISOMER B 100 - 100 - 80- 80- 60- 60 40- MT- 140 20- 20- 25 50 75 100 125 25 100 125 m/z m/z 3 peales tatal -Zpeaks 200 180 160 140 120 100 80 60 40 20 200 180 160 140 120 100 80 60 40 20 Cos-00-887 pm CoS-00-ess pm Relative Intensily Relative Intensity for

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.