Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Question
Chapter 13.16, Problem 27P
Interpretation Introduction
Interpretation:
The way to analyse the absorption band at
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Students have asked these similar questions
3. Identify C-Cl stretching peaks in CDC13 and CHC13 spectra. Do these peaks
have exactly the same frequencies for both compounds? Explain your answer.
4. Is the C==O stretching frequency the same for acetone and deuterated acetone?
Explain your answer.
5. Identify C==O overtone in acetone spectrum which corresponds to the transition
from ground level, n=0, to the second excited level, n=2.
The IR spectra of nonane (C,H20) and 1-hexanol
(C,H13OH) are shown below. Assign each spectrum to the
correct compound and identify the frequencies and the
functional groups used to support your assignment.
λ (μη)
6 7 8 9 10 11 12 1314 15
2.5
100
3
5
20
4
90
80
70
60
50
40
30
20
10
4000 3600 3200 2800 2400
2000 1800 1600 1400 1200 1000
800
600
400
Frequency (cm¬')
A (µm)
2.5
100
8 9 10 11 12 13 14 15
3
4
5
7
20
90
80
70
60
50
40
30
20
10
4000 3600 3200 2800 2400
2000 1800 1600 1400 1200 1000
800
600
400
Frequency (cm¬!)
(%) Transmission
(%) Transmission
What IR frequencies would enable a chemist to
distinguish between these molecules?
CH;CH2OH and CH;CH2OCH;CH3
and
CH,
HCHCHCCIICH CH, d
3000-3100 cm-1 (=C-H)| 1620-1680 cm-1 (C=C)
3200-3400 cm-1 (OH) || 3000-3100 cm-1 (=C-H)
Chapter 13 Solutions
Organic Chemistry (8th Edition)
Ch. 13.1 - Which of the following fragments produced in a...Ch. 13.2 - What distinguishes the mass spectrum of...Ch. 13.2 - What is the most likely m/z value for the base...Ch. 13.3 - Prob. 5PCh. 13.3 - a. Suggest possible molecular formulas for a...Ch. 13.3 - If a compound has a molecular ion with an...Ch. 13.3 - Identify the hydrocarbon that has a molecular ion...Ch. 13.4 - Predict the relative intensities of the molecular...Ch. 13.5 - Which molecular formula has an exact molecular...Ch. 13.5 - Prob. 11P
Ch. 13.6 - Sketch the mass spectrum expected for...Ch. 13.6 - The mass spectra of 1-methoxybutane,...Ch. 13.6 - Primary alcohols have a strong peak at m/z = 31....Ch. 13.6 - Identify the ketones responsible for the mass...Ch. 13.6 - Prob. 16PCh. 13.6 - Using curved arrows, show the principal fragments...Ch. 13.6 - The reaction of (Z)-2-pentene with water and a...Ch. 13.9 - a. Which is higher in energy: electromagnetic...Ch. 13.9 - Prob. 20PCh. 13.13 - Prob. 21PCh. 13.14 - Which occur at a larger wavenumber: a. the C O...Ch. 13.14 - Prob. 23PCh. 13.14 - Prob. 24PCh. 13.14 - Rank the following compounds from highest...Ch. 13.14 - Which shows an O H stretch at a larger...Ch. 13.16 - Prob. 27PCh. 13.16 - a. An oxygen-containing compound shows an...Ch. 13.16 - Prob. 29PCh. 13.16 - For each of the following pair of compounds, name...Ch. 13.17 - Which of the following compounds has a vibration...Ch. 13.17 - Prob. 32PCh. 13.18 - A compound with molecular formula C4H6O gives the...Ch. 13.20 - Prob. 34PCh. 13.20 - Prob. 35PCh. 13.21 - Predict the max of the following compound:Ch. 13.21 - Prob. 37PCh. 13.23 - a. At pH = 7 one of the ions shown here is purple...Ch. 13.23 - Prob. 39PCh. 13.23 - Prob. 40PCh. 13 - In the mass spectrum of the following compounds,...Ch. 13 - Prob. 42PCh. 13 - Draw structures for a saturated hydrocarbon that...Ch. 13 - Rank the following compounds in order of...Ch. 13 - For each of the following pairs of compounds,...Ch. 13 - a. How could you use IR spectroscopy to determine...Ch. 13 - Assuming that the force constant is approximately...Ch. 13 - Norlutin and Enovid are ketones that suppress so...Ch. 13 - In the following boxes, list the types of bonds...Ch. 13 - A mass spectrum shows significant peaks at m/z. =...Ch. 13 - Prob. 51PCh. 13 - Prob. 52PCh. 13 - Prob. 53PCh. 13 - The IR spectrum of a compound with molecular...Ch. 13 - Rank the following compounds from highest...Ch. 13 - Rank the following compounds from highest...Ch. 13 - What peaks in their mass spectra can be used to...Ch. 13 - Prob. 58PCh. 13 - Which one of the following five compounds produced...Ch. 13 - Prob. 60PCh. 13 - Each of the IR spectra shown below is accompanied...Ch. 13 - Prob. 62PCh. 13 - Prob. 63PCh. 13 - How can IR spectroscopy distinguish between...Ch. 13 - Prob. 65PCh. 13 - Prob. 66PCh. 13 - Give approximate wavenumbers for the major...Ch. 13 - Prob. 68PCh. 13 - Which one of the following live compounds produced...Ch. 13 - Phenolphthalein is an acid-base indicator. In...Ch. 13 - Prob. 71PCh. 13 - How can you use UV spectroscopy to distinguish...Ch. 13 - Prob. 73PCh. 13 - The IR and mass spectra for three different...
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