객관식Which of the following is NOT expected to be a major peak in the mass spectrum for the given molecule?911views
객관식A mass spectrum has an M and M + 2 peak in an ~ 3 : 1 ratio. Which atom is likely present in this molecule?1152views
객관식Pinacolone has a base peak in its mass spectrum at m/z 57. What is the structure corresponding to this mass?1151views