Question & Answer: Here is the 1H NMR of your final product. Which proton(s) is/are responsible for the triplet at…..

PPM

Here is the 1H NMR of your final product. Which proton(s) is/are responsible for the triplet at ~1.1 ppm? The final product is ethanol! I think I know but H-NMR always throws me off. My educated guess is the methyl protons (2 nearby H ((3 bonds away)) +1) N+1 Rule with H NMR. Please confirm.

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Question & Answer: Here is the 1H NMR of your final product. Which proton(s) is/are responsible for the triplet at…..
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a. Hydroxyl proton
b. Methylene protons
c. Methyl protons
d. Not enough information.

Expert Answer

Answer:-

c. Methyl protons.

Because the final product is ethanol (CH3-CH2-OH) which shows that there are two neighbouring protons of methyl protons so (2+1 = 3) peaks i.e., triplet obtained.

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