Q1. How many unique protons are in the following molecules (how many signatures/peaks would you expect to see in a 1H NMR spectrum)? Q2. The following NMR spectrum is of 1-chlorobutane. Draw the structure, and match the peaks to their respective protons on the structure: Q3. The following NMR spectrum is of ethyl 4-hydroxybenzoate. Draw the structure, and match the peaks to their respective protons on the structure: Q4. Determine the identity of the following unknown, then draw the structure, and match the peaks to their respective protons on the structure (hint – the molecular formula is C8H18O): -4- -2- -12- Q4. Determine the identity of the following unknown, then draw the structure, and match the peaks totheir respective protons on the structure (hint - the molecular formula is C₂H₁80):432PPM-2--12-10 CHEM 2470 ¹H NMR Worksheet (Summer 2021)Br BrQ1. How many unique protons are in the following molecules (how many signatures/peaks would youexpect to see in a ¹H NMR spectrum)?2.00learn-us-eas... /138072867.977.9606'T O8.0Br3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.57.5-7.26 Chloroform6.866.85CIQ2. The following NMR spectrum is of 1-chlorobutane. Draw the structure, and match the peaks to theirrespective protons on the structure:359957.01.86Me6.5Me Me6.05.5- 5.282.4<-4+9:0MeMeQ3. The following NMR spectrum is of ethyl 4-hydroxybenzoate. Draw the structure, and match thepeaks to their respective protons on the structure:5.0MeName:4.5f1 (ppm)2.3 2.2 2.1 2.0 1.9 1.8f1 (ppm)2.01-4.0CIEEEEE3.5سیا66 11.48CI3.0لیے سرا2.00НО.1.6 1.5 1.4 1.3 1.2 1.1 1.02.52.0WaterCOMe1.52.950.94-0.93-0.921.391381.372.990.9

Examine separate peaks in the NMR spectra that correspond to various hydrogen environments in order…

Answered: CHEM 2470 ¹H NMR Worksheet (Summer…

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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Q1. How many unique protons are in the following molecules (how many signatures/peaks would you expect to see in a 1H NMR spectrum)? Q2. The following NMR spectrum is of 1-chlorobutane. Draw the structure, and match the peaks to their respective protons on the structure: Q3. The following NMR spectrum is of ethyl 4-hydroxybenzoate. Draw the structure, and match the peaks to their respective protons on the structure: Q4. Determine the identity of the following unknown, then draw the structure, and match the peaks to their respective protons on the structure (hint – the molecular formula is C8H18O): -4- -2- -12-

Q4. Determine the identity of the following unknown, then draw the structure, and match the peaks to
their respective protons on the structure (hint - the molecular formula is C₂H₁80):
4
3
2
PPM
-2-
-12-
1
0

CHEM 2470 ¹H NMR Worksheet (Summer 2021)
Br Br
Q1. How many unique protons are in the following molecules (how many signatures/peaks would you
expect to see in a ¹H NMR spectrum)?
2.00
learn-us-eas... /13807286
7.97
7.96
06'T O
8.0
Br
3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5
7.5
-7.26 Chloroform
6.86
6.85
CI
Q2. The following NMR spectrum is of 1-chlorobutane. Draw the structure, and match the peaks to their
respective protons on the structure:
35995
7.0
1.86
Me
6.5
Me Me
6.0
5.5
- 5.28
2.4
<-4+9:0
Me
Me
Q3. The following NMR spectrum is of ethyl 4-hydroxybenzoate. Draw the structure, and match the
peaks to their respective protons on the structure:
5.0
Me
Name:
4.5
f1 (ppm)
2.3 2.2 2.1 2.0 1.9 1.8
f1 (ppm)
2.01-
4.0
CI
EEEEE
3.5
سیا
66 1
1.48
CI
3.0
لیے سرا
2.00
НО.
1.6 1.5 1.4 1.3 1.2 1.1 1.0
2.5
2.0
Water
COMe
1.5
2.95
0.94
-0.93
-0.92
1.39
138
1.37
2.99
0.9

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