Given the NMR spectrum of isobutyl acetate, match the different types of protons

Question

Given the NMR spectrum of isobutyl acetate, match the different types of protons with the correct chemical shifts. methyl protons next to carbonyl methine proton in isobutyl group methylene protons next to O terminal methyl protons in isobutyl group delta = 1.0 ppm delta = 2.0 ppm delta = 2.3 ppm delta = 3.9 ppm You now know which protons correspond to which signals. For how many protons will each of these signals integrate? signal at delta 2.2 ppm signal at delta 2.0 ppm signal at delta 0.95 ppm signal at delta 3.9 ppm 1 2 3 4 5 6

Explanation / Answer

0.95 ppm---> 6 , 2.0--> 1 , 2.2--> 3 , 3.9--> 2

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