15. Analytical Techniques:IR, NMR, Mass Spect

Draw the most likely ion fragment of the molecule

Which of the following is NOT expected to be a major peak in the mass spectrum for the given molecule?

What would be the value of the base peak (m/z)?

A mass spectrum has an M and M + 2 peak in an ~ 3 : 1 ratio. Which atom is likely present in this molecule?

Draw the most likely ion fragment of the molecule

Pinacolone has a base peak in its mass spectrum at m/z 57. What is the structure corresponding to this mass?