3-methyl-2-butanone
10 protons
3-methyl-2-butanone (Proton Equivalence)
6 equivalent protons = 1 signal
3 equivalent protons = 1 signal
1 equivalent proton = 1 signal
3-methyl-2-butanone (Predicted Chemical Shifts)
CH3 groups (0.9 ppm)
CH3 group adjacent to carbonyl (2.1-2.3 ppm)
CH group adjacent to carbonyl (2.3-2.7 ppm)