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 ● · . Sketch the predicted 'H 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). (a) Br (c) 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 (d) -OH
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 ● · . Sketch the predicted 'H 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). (a) Br (c) 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 (d) -OH
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 a, b, and c!
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F38a9992d-9c05-40da-9474-aaafff450dc4%2Fc96a7c80-c9ac-4b53-9178-d04f9efbb83b%2Fz2pgjgm_processed.jpeg&w=3840&q=75)
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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