Study Guide And Student Solutions Manual For Organic Chemistry, Books A La Carte Edition (7th Edition)
7th Edition
ISBN: 9780321934833
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 72P
Calculate the amount of energy (in calories) required to flip an 1H nucleus in an NMR spectrometer that operates at 300 MHz.
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What is the NMR frequency of a 1H nucleus (a proton) in a magnetic field of 13.5 T? Express your answer in megahertz.
Please describe the key characteristics of the H-NMR and 13C-NMR spectra.
a. Calculate the magnetic field (in tesla) required to flip an 1H nucleus in an NMR spectrometer that operatesat 360 MHz.b. What strength magnetic field is required when a 500-MHz instrument is used for 1H NMR?
Chapter 15 Solutions
Study Guide And Student Solutions Manual For Organic Chemistry, Books A La Carte Edition (7th Edition)
Ch. 15.1 - Prob. 1PCh. 15.1 - Prob. 2PCh. 15.4 - How many signals would you expect to see in the 1H...Ch. 15.4 - Prob. 4PCh. 15.4 - How could you distinguish the 1H NMR spectra of...Ch. 15.4 - Draw an isomer of dichlorocyclopropane that gives...Ch. 15.5 - Prob. 7PCh. 15.5 - Prob. 8PCh. 15.5 - Prob. 9PCh. 15.5 - Where would you expect to find the 1H NMR signal...
Ch. 15.6 - Prob. 11PCh. 15.7 - Prob. 12PCh. 15.7 - Prob. 13PCh. 15.7 - Without referring to Table 14.1, label the proton...Ch. 15.8 - [18]-Annulene shows two signals in its 1H NMR...Ch. 15.9 - How would integration distinguish the 1H NMR...Ch. 15.9 - Which of the following compounds is responsible...Ch. 15.10 - Prob. 19PCh. 15.10 - Explain how the following compounds, each with the...Ch. 15.10 - The 1H NMR spectra of two carboxylic acids with...Ch. 15.11 - Draw a diagram like the one shown in Figure 14.12...Ch. 15.12 - Indicate the number of signals and the...Ch. 15.12 - How can their 1H NMR spectra distinguish the...Ch. 15.12 - Identify each compound from its molecular formula...Ch. 15.12 - Prob. 27PCh. 15.12 - Propose structures that are consistent with the...Ch. 15.12 - Describe the 1H NMR spectrum you would expect for...Ch. 15.13 - Prob. 30PCh. 15.13 - Identify the compound with molecular formula...Ch. 15.14 - Prob. 32PCh. 15.15 - a. For the following compounds, which pairs of...Ch. 15.17 - Explain why the chemical shift of the OH proton of...Ch. 15.17 - Prob. 37PCh. 15.17 - Prob. 38PCh. 15.17 - Prob. 39PCh. 15.20 - Answer the following questions for each compound:...Ch. 15.20 - Prob. 41PCh. 15.20 - How can 1,2-, 1,3-, and 1,4-dinitrobenzene be...Ch. 15.20 - Identify each compound below from its molecular...Ch. 15.22 - Prob. 44PCh. 15.22 - What does cross peak X in Figure 14.34 tell you?Ch. 15 - Prob. 46PCh. 15 - Draw a spitting diagram for the Hb proton and give...Ch. 15 - Label each set of chemically equivalent protons,...Ch. 15 - Match each of the 1H NMR spectra with one of the...Ch. 15 - Determine the ratios of the chemically...Ch. 15 - How can 1H NMR distinguish between the compounds...Ch. 15 - Prob. 52PCh. 15 - The 1H NMR spectra of three isomers with molecular...Ch. 15 - Prob. 54PCh. 15 - Prob. 55PCh. 15 - Prob. 56PCh. 15 - Compound A, with molecular formula C4H9Cl, shows...Ch. 15 - The 1H NMR spectra of three isomers with molecular...Ch. 15 - Would it be better to use 1H NMR or 13C NMR...Ch. 15 - There are four esters with molecular formula...Ch. 15 - An alkyl halide reacts with an alkoxide ion to...Ch. 15 - Identity each of the following compounds from its...Ch. 15 - Identity each of the following compounds from its...Ch. 15 - Prob. 64PCh. 15 - How can the signals in the 6.5 to 8.1 ppm region...Ch. 15 - The 1H NMR spectra of two compounds, each with...Ch. 15 - Draw a splitting diagram for the Hb proton if Jbc...Ch. 15 - Sketch the following spectra that would be...Ch. 15 - How can 1H NMR be used to prove that the addition...Ch. 15 - Identity each of the following compounds from its...Ch. 15 - Dr. N. M. Arr was called in to help analyze the 1H...Ch. 15 - Calculate the amount of energy (in calories)...Ch. 15 - The following 1H NMR spectra are four compounds,...Ch. 15 - When compound A (C5H12O) is treated with HBr, it...Ch. 15 - Identity each of the following compounds from its...Ch. 15 - Identify each of the following compounds from its...Ch. 15 - Identity the compound with molecular formula...Ch. 15 - Identify the compound with molecular formula C6H14...
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- The following 1H NMR peaks were recorded on a spectrometer operating at 200 MHz. Convert each into δ units. (a) CHCl3; 1454 Hz (b) CH3Cl; 610 Hz (c) CH3OH; 693 Hz (d) CH2Cl2; 1060 Hzarrow_forwardFrom the proton spectrum given in Figure 19-45, determine the structure of this compound, a commc used painkiller; its empirical formula is C10H13NO2.arrow_forwardFollowing is the mass spectrum of bromocyclopentane. The molecular ion m/z 148 is of such low intensity that it does not appear in this spectrum. Assign structural formulas for the cations of m/z 69 and 41.arrow_forward
- Following are two constitutional isomers with the molecular formula C4H8O2. (a) Predict the number of signals in the 1H-NMR spectrum of each isomer. (b) Predict the ratio of areas of the signals in each spectrum. (c) Show how you can distinguish between these isomers on the basis of chemical shift.arrow_forwardIf two signals differ by 1.5 ppm in a 300 MHz spectrometer, by how much do they differ in a 500 MHz spectrometer?arrow_forwarda) Annotate the 1H NMR spectra a) Annotate the labeled peaks in the IR spectra a) Annotate the UV-Vis spectraarrow_forward
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NMR Spectroscopy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SBir5wUS3Bo;License: Standard YouTube License, CC-BY