propionic acid
6 protons
propionic acid (Proton Equivalence)
3 equivalent protons = 1 signal
2 equivalent protons = 1 signal
1 equivalent proton = 1 signal
propionic acid (Predicted Chemical Shifts)
CH3 group (0.9 ppm)
CH2 group adjacent to carbonyl (2.2-2.6 ppm)
carboxylic acid OH group (10-13 ppm)