Identification from spectra (9) Answer

IB Chemistry: Identification from spectra (9) Answer

Answer to Identification from spectra: Question 9 ElementAmount / molSimplest ratioCarbon68.11/12.01 = 5.675Hydrogen13.74 / 1.01 = 13.6012Oxygen18.15 / 16.00 = 1.131b) Presumably the M+ ion is not very stable nevertheless its m/z value of 88 means that the empirical and molecular mass are the same so the molecular formula of compound I is C5H12O. The peak at 73 shows loss of a –CH3 group to give the fragment C4H9O+....


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