(Solved): Q1; Draw the fragmentation pattern of following compounds shown in spectra below? ...

Expert Answer

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Molecule 1. The major fragments of the molecule concerning the peaks.
98, 83, 55, 43, 39, 29. The major fragments can be identified

98 = M+ ion, Molecular ion
83 = [M+] - CH3
55 = [M+] - [CH3CO]
43 = [M+] - [isopropenyl]
39 = Propynyl
29 = Ethyl