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Predict the multiplicity (the number of peaks as a result of splitting) and the chemical

Chapter 13, Problem 13-34

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QUESTION:

Predict the multiplicity (the number of peaks as a result of splitting) and the chemical shift for each shaded proton in the following compounds. HC 3 HC 2 CC12 HC 3 (a) CH3 HC O H HC 3 (b) HC 3 HC HC 3 HC 3 (c) (d) H H H H H HC 3 (d) (e) (e) O C H 3 C H 2 C O C H 2 C H 3 *(f) HC 3 O (f) H

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QUESTION:

Predict the multiplicity (the number of peaks as a result of splitting) and the chemical shift for each shaded proton in the following compounds. HC 3 HC 2 CC12 HC 3 (a) CH3 HC O H HC 3 (b) HC 3 HC HC 3 HC 3 (c) (d) H H H H H HC 3 (d) (e) (e) O C H 3 C H 2 C O C H 2 C H 3 *(f) HC 3 O (f) H

ANSWER:

Step 1 of 6

(a)The numbers present in italics at each proton represent the count of peaks in each signal. The  near the has a value of 1.7 ppm, the  near the  has a value of 2.2 ppm. The  located at the left end has a value of 1 ppm. The chemical shift values are noted in the figure as:

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