Organic Chemistry
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For the following molecule, illustrate the splitting diagram for proton (Hb), given that the Jbc = 12 and Jba = 4.
The 1H-NMR spectrum of trans-pent-2-enoic acid is shown below.
(i) Assign all signals in the 1H-NMR spectrum.(ii) Write a splitting tree for the proton with chemical shift about 7.0 ppm. Determine the values of each coupling constants.