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● ● ● ● Add in the missing hydrogens Determine the number of ¹H NMR signals in each compound below. Label each type of proton (A, B, etc.) and fill in the tables provided on the following page with a row for each type of proton (signal). Predict the integration (#H's), the chemical shift range (ppm), and calculated chemical shift (ppm), that you would expect for each signal. Determine the splitting pattern for each signal using the n+1 rule, where n is the number of H's on adjacent carbon atoms. ● O ● ■ Sketch the predicted ¹H NMR spectrum of each compound and use nmrdb.org to check your work Approximate the central chemical shift of the signal on the x-axis and draw each splitting pattern. Don't worry about incorporating integration (peak size). (c) (a) Br ■ Splitting patterns: singlet, doublet, triplet, quartet, pentet, sextet, heptet, or multiplet. There is no splitting through heteroatoms (O, N, S, etc.) - all OH's are singlets! Br (e) (b) OH (f) (d) -OH

● ● ● ● Add in the missing hydrogens Determine the number of ¹H NMR signals in each compound below. Label each type of proton (A, B, etc.) and fill in the tables provided on the following page with a row for each type of proton (signal). Predict the integration (#H's), the chemical shift range (ppm), and calculated chemical shift (ppm), that you would expect for each signal. Determine the splitting pattern for each signal using the n+1 rule, where n is the number of H's on adjacent carbon atoms. ● O ● ■ Sketch the predicted ¹H NMR spectrum of each compound and use nmrdb.org to check your work Approximate the central chemical shift of the signal on the x-axis and draw each splitting pattern. Don't worry about incorporating integration (peak size). (c) (a) Br ■ Splitting patterns: singlet, doublet, triplet, quartet, pentet, sextet, heptet, or multiplet. There is no splitting through heteroatoms (O, N, S, etc.) - all OH's are singlets! Br (e) (b) OH (f) (d) -OH

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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please do d, e, and f
1. Predict the ¹H NMR spectrum for compounds (b) - (f) below. Add in the missing hydrogens Determine the number of ¹H NMR signals in each compound below. Label each type of proton (A, B, etc.) and fill in the tables provided on the following page with a row for each type of proton (signal). Predict the integration (#H's), the chemical shift range (ppm), and calculated chemical shift (ppm), that you would expect for each signal. Determine the splitting pattern for each signal using the n+1 rule, where n is the number of H's on adjacent carbon atoms. O Splitting patterns: singlet, doublet, triplet, quartet, pentet, sextet, heptet, or multiplet. There is no splitting through heteroatoms (O, N, S, etc.) - all OH's are singlets! Sketch the predicted ¹H NMR spectrum of each compound and use nmrdb.org to check your work Approximate the central chemical shift of the signal on the x-axis and draw each splitting pattern. Don't worry about incorporating integration (peak size). (c) (a) Br ■ . Br (e) (b) OH O (d) -OH
Transcribed Image Text:1. Predict the ¹H NMR spectrum for compounds (b) - (f) below. Add in the missing hydrogens Determine the number of ¹H NMR signals in each compound below. Label each type of proton (A, B, etc.) and fill in the tables provided on the following page with a row for each type of proton (signal). Predict the integration (#H's), the chemical shift range (ppm), and calculated chemical shift (ppm), that you would expect for each signal. Determine the splitting pattern for each signal using the n+1 rule, where n is the number of H's on adjacent carbon atoms. O Splitting patterns: singlet, doublet, triplet, quartet, pentet, sextet, heptet, or multiplet. There is no splitting through heteroatoms (O, N, S, etc.) - all OH's are singlets! Sketch the predicted ¹H NMR spectrum of each compound and use nmrdb.org to check your work Approximate the central chemical shift of the signal on the x-axis and draw each splitting pattern. Don't worry about incorporating integration (peak size). (c) (a) Br ■ . Br (e) (b) OH O (d) -OH
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