Mass Spect:Fragmentation

15. Analytical Techniques:IR, NMR, Mass Spect / Mass Spect:Fragmentation / Problem 6

In the following mass spectrum, identify the peaks that represent the α-cleavage of heptan-3-one.

Peaks (b) and peak (d).

Peaks (a) and peak (c).

Peaks (a) and peak (d).

Peaks (c) and peak (e).