BUNDLE:3 ITEM PACKAGE
8th Edition
ISBN: 9780134865201
Author: Bruice
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 14, Problem 71P
Identity each of the following compounds from its molecular formula and its 1H NMR spectrum:
- a. C8H8
- b. C6H12O
- c. C9H18O
- d. C4H8O
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Answer the following questions about each of the hydroxy ketones: 1-hydroxybutan-2-one (A) and 4-hydroxybutan-2-one (B).
a.) How many signals are observed in the 1H NMR spectrum?b.) Give the splitting observed for each type of proton as well as its approximate chemical shift.
The 1H NMR chemical shifts of nitromethane, dinitromethane, and trinitromethane are at δ 6.10, δ 4.33, and δ 7.52. Match each chemical shift with the compound. Explain how chemical shift correlates with pKa.
1) Propose the structures for the following 1H and 13C NMR spectrum.
b) Molecular Formula: C8H8O3
1H-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3
13C-NMR, CDCl3 Solvent, Molecular Formula: C8H8O3
in the pictures
Chapter 14 Solutions
BUNDLE:3 ITEM PACKAGE
Ch. 14.1 - Prob. 1PCh. 14.1 - Prob. 2PCh. 14.4 - How many signals would you expect to see in the 1H...Ch. 14.4 - How many signals would you expect to see in the 1H...Ch. 14.4 - How could you distinguish the 1H NMR spectra of...Ch. 14.4 - Draw an isomer of dichlorocyclopropane that gives...Ch. 14.5 - Prob. 7PCh. 14.5 - Prob. 8PCh. 14.5 - Prob. 9PCh. 14.5 - Where would you expect to find the 1H NMR signal...
Ch. 14.6 - Prob. 11PCh. 14.7 - Prob. 12PCh. 14.7 - Prob. 13PCh. 14.7 - Without referring to Table 14.1, label the proton...Ch. 14.8 - [18]-Annulene shows two signals in its 1H NMR...Ch. 14.9 - How would integration distinguish the 1H NMR...Ch. 14.9 - Which of the following compounds is responsible...Ch. 14.10 - Prob. 19PCh. 14.10 - Explain how the following compounds, each with the...Ch. 14.10 - The 1H NMR spectra of two carboxylic acids with...Ch. 14.11 - Draw a diagram like the one shown in Figure 14.12...Ch. 14.12 - Indicate the number of signals and the...Ch. 14.12 - Explain the relative chemical shifts of the...Ch. 14.12 - How can their 1H NMR spectra distinguish the...Ch. 14.12 - Identify each compound from its molecular formula...Ch. 14.12 - Predict the splitting patterns for the signals...Ch. 14.12 - Describe the 1H NMR spectrum you would expect for...Ch. 14.12 - Propose structures that are consistent with the...Ch. 14.13 - Prob. 30PCh. 14.13 - Identify the compound with molecular formula...Ch. 14.14 - Prob. 32PCh. 14.15 - a. For the following compounds, which pairs of...Ch. 14.15 - How would the 1H NMR spectra for the four...Ch. 14.17 - Explain why the chemical shift of the OH proton of...Ch. 14.17 - Prob. 38PCh. 14.17 - Prob. 39PCh. 14.17 - Prob. 40PCh. 14.20 - Answer the following questions for each compound:...Ch. 14.20 - Prob. 42PCh. 14.20 - How can 1,2-, 1,3-, and 1,4-dinitrobenzene be...Ch. 14.20 - Identify each compound below from its molecular...Ch. 14.22 - Prob. 45PCh. 14.22 - What does cross peak X in Figure 14.34 tell you?Ch. 14 - Prob. 47PCh. 14 - Draw a spitting diagram for the Hb proton and give...Ch. 14 - Label each set of chemically equivalent protons,...Ch. 14 - Determine the ratios of the chemically...Ch. 14 - How can 1H NMR distinguish between the compounds...Ch. 14 - Prob. 52PCh. 14 - Match each of the 1H NMR spectra with one of the...Ch. 14 - The 1H NMR spectra of three isomers with molecular...Ch. 14 - Prob. 55PCh. 14 - Prob. 56PCh. 14 - Compound A, with molecular formula C4H9Cl, shows...Ch. 14 - Would it be better to use 1H NMR or 13C NMR...Ch. 14 - There are four esters with molecular formula...Ch. 14 - Identify the compound with molecular formula C6H14...Ch. 14 - An alkyl halide reacts with an alkoxide ion to...Ch. 14 - The 1H NMR spectra of three isomers with molecular...Ch. 14 - Identity each of the following compounds from its...Ch. 14 - Identity each of the following compounds from its...Ch. 14 - Prob. 65PCh. 14 - How can the signals in the 6.5 to 8.1 ppm region...Ch. 14 - The 1H NMR spectra of two compounds, each with...Ch. 14 - Draw a splitting diagram for the Hb proton if Jbc...Ch. 14 - Sketch the following spectra that would be...Ch. 14 - How can 1H NMR be used to prove that the addition...Ch. 14 - Identity each of the following compounds from its...Ch. 14 - Dr. N. M. Arr was called in to help analyze the 1H...Ch. 14 - Calculate the amount of energy (in calories)...Ch. 14 - The following 1H NMR spectra are four compounds,...Ch. 14 - When compound A (C5H12O) is treated with HBr, it...Ch. 14 - Identity the compound with molecular formula...Ch. 14 - Identity each of the following compounds from its...Ch. 14 - Prob. 78PCh. 14 - Identify each of the following compounds from its...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Answer the following questions about each of the hydroxy ketones: 1hydroxybutan-2-one (A) and 4-hydroxybutan-2-one (B).a.What is the molecular ion in the mass spectrum? b. What IR absorptions are present in the functional group region? c. How many lines are observed in the 13C NMR spectrum? d.How many signals are observed in the 1H NMR spectrum? e.Give the splitting observed for each type of proton as well as its approximate chemical shift.arrow_forwardAnswer the following questions about each of the hydroxy ketones: 1-hydroxybutan-2-one (A) and 4-hydroxybutan-2-one (B). a.) What is the molecular ion in the mass spectrum?b.) What IR absorptions are present in the functional group region?c.) How many lines are observed in the 13C NMR spectrum?d.) How many signals are observed in the 1H NMR spectrum?e.) Give the splitting observed for each type of proton as well as its approximate chemical shift.arrow_forwardWhich of the diethylbenzene isomers (ortho, meta, or para) correspondsto each set of 13C NMR spectral data ? 13C NMR signals: 16, 29, 128, and 141 ppmarrow_forward
- Draw the structure of the ether that has a chemical formula C8H10O2, has a molecular ion peak at 138, and is represented by the IR, 'H NMR, and 13 C NMR belowarrow_forwardPredict the structure of the molecule with molecular formula C8 H10 O using given information about its 1H NMR, 13C NMR, and IR.arrow_forwardThe IR and proton NMR of compound C12H18 shown below. A) what is it U value? B) How many equivalent H’s per molecule are responsible for singlet peak at 1.35 ppm in the proton NMR C) How many equivalent H’s per molecule are responsible for singlet peak at 2.35 ppm D) Draw the structure base on the Ir and NMrarrow_forward
- Draw an isomer of dichlorocyclopropane that gives an 1H NMR spectrum a. with one signal. b. with two signals. c. with three signals.arrow_forwardAn unknown compound D exhibits a strong absorption in its IR spectrumat 1692 cm−1. The mass spectrum of D shows a molecular ion at m/z =150 and a base peak at 121. The 1H NMR spectrum of D is shown below.What is the structure of D?arrow_forwardSketch what you might expect the 1H and 13C NMR spectra of the following compound to look like (green = Cl):arrow_forward
- The 1H NMR spectrum of bullvalene at 100 C consists only of a single peak at 4.22 . Explain.arrow_forwardA 13C NMR spectrum of commercially available 2,4-pentanediol, shows five peaks at 23.3, 23.9, 46.5, 64.8, and 68.1 . Explain.arrow_forwardFollowing are 1H-NMR spectra for compounds G, H, and I, each with the molecular formula C5H12O. Each is a liquid at room temperature, is slightly soluble in water, and reacts with sodium metal with the evolution of a gas. (a) Propose structural formulas of compounds G, H, and I. (b) Explain why there are four lines between 0.86 and 0.90 for compound G. (c) Explain why the 2H multiplets at 1.5 and 3.5 for compound H are so complex.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningMacroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks Cole
Organic Chemistry
Chemistry
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:Cengage Learning
Macroscale and Microscale Organic Experiments
Chemistry
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Brooks Cole
NMR Spectroscopy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SBir5wUS3Bo;License: Standard YouTube License, CC-BY