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Which compound could produce this mass spectrum? Mass lost (Mr) Possible neutral fragment lost 15 •CH3 18 H2O 28 CH2=CH2 or CO 29 •CH2CH3 or •CHO 45 •COOH A. Butanone B. Butanal C. Butan-1-ol D. Butan-2-ol
The mass spectrum of carbonyl dibromide is shown below. Bromine has two isotopes, and , of almost equal abundance. (i) Explain the origin of the peaks that appear at m/z values smaller than those of the molecular ion. (ii) Deduce…
In the mass spectrum of Y, the molecular ion peak appears at m/z 88. (i) Y contains no multiple carbon–carbon bonds and no rings. Deduce its molecular formula. Use section 7 of the data booklet. Shown below is the high-resolution NMR spectrum of Y,…
The mass spectra of four compounds are shown below. Which is the spectrum of propanal, ? Use section 22 of the data booklet. A. spectrum A B. spectrum B C. spectrum C D. spectrum D