EBK ORGANIC CHEMISTRY
6th Edition
ISBN: 8220103151757
Author: LOUDON
Publisher: MAC HIGHER
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Chapter 13, Problem 13.48AP
Interpretation Introduction
(a)
Interpretation:
An explanation as to why protons
Concept introduction:
The NMR stands for nuclear magnetic resonance. NMR spectroscopy deals with the interaction between
Interpretation Introduction
(b)
Interpretation:
The splitting pattern of the proton
Concept introduction:
The NMR stands for nuclear magnetic resonance. NMR spectroscopy deals with the interaction between electromagnetic radiation and the nucleus of an atom. NMR spectroscopy is used to determine the structural information about compounds
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Chapter 13 Solutions
EBK ORGANIC CHEMISTRY
Ch. 13 - Prob. 13.1PCh. 13 - Prob. 13.2PCh. 13 - Prob. 13.3PCh. 13 - Prob. 13.4PCh. 13 - Prob. 13.5PCh. 13 - Prob. 13.6PCh. 13 - Prob. 13.7PCh. 13 - Prob. 13.8PCh. 13 - Prob. 13.9PCh. 13 - Prob. 13.10P
Ch. 13 - Prob. 13.11PCh. 13 - Prob. 13.12PCh. 13 - Prob. 13.13PCh. 13 - Prob. 13.14PCh. 13 - Prob. 13.15PCh. 13 - Prob. 13.16PCh. 13 - Prob. 13.17PCh. 13 - Prob. 13.18PCh. 13 - Prob. 13.19PCh. 13 - Prob. 13.20PCh. 13 - Prob. 13.21PCh. 13 - Prob. 13.22PCh. 13 - Prob. 13.23PCh. 13 - Prob. 13.24PCh. 13 - Prob. 13.25PCh. 13 - Prob. 13.26PCh. 13 - Prob. 13.27PCh. 13 - Prob. 13.28PCh. 13 - Prob. 13.29PCh. 13 - Prob. 13.30PCh. 13 - Prob. 13.31PCh. 13 - Prob. 13.32PCh. 13 - Prob. 13.33PCh. 13 - Prob. 13.34PCh. 13 - Prob. 13.35PCh. 13 - Prob. 13.36APCh. 13 - Prob. 13.37APCh. 13 - Prob. 13.38APCh. 13 - Prob. 13.39APCh. 13 - Prob. 13.40APCh. 13 - Prob. 13.41APCh. 13 - Prob. 13.42APCh. 13 - Prob. 13.43APCh. 13 - Prob. 13.44APCh. 13 - Prob. 13.45APCh. 13 - Prob. 13.46APCh. 13 - Prob. 13.47APCh. 13 - Prob. 13.48APCh. 13 - Prob. 13.49APCh. 13 - Prob. 13.50APCh. 13 - Prob. 13.51APCh. 13 - Prob. 13.52APCh. 13 - Prob. 13.53APCh. 13 - Prob. 13.54APCh. 13 - Prob. 13.55APCh. 13 - Prob. 13.56APCh. 13 - Prob. 13.57APCh. 13 - Prob. 13.58APCh. 13 - Prob. 13.59APCh. 13 - Prob. 13.60APCh. 13 - Prob. 13.61APCh. 13 - Prob. 13.62APCh. 13 - Prob. 13.63APCh. 13 - Prob. 13.64APCh. 13 - Prob. 13.65APCh. 13 - Prob. 13.67AP
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- colorcode/ or number ALL of the homotopic protons of the structure. Then choose which group would have the highest shift value, and which group of H would have the lowest shift valuesarrow_forward5. L-dopa is used in the treatment of Parkinson's disease. Identify the four most acidic protons and arrange them in order of increasing acidity. :O: g HO: :OH 6. Coumarins are a class of natural products produced by plants and animals. It has a wide variety of applications in cosmetics, food industry and fluorescent laser dyes. In the ¹HNMR spectrum of coumarin derivate shown below, the two signals farthest downfield are at 7.38 and 8.42 pm. Identify the two protons that most likely give rise to these signals and justify your answer using resonance structures. :O:arrow_forwardAnalyse the high resolution proton NMR spectrum and suggest a compound and write its name. Aslo write down which parts of the molecule belongs to each peak.arrow_forward
- (a) Draw all six isomers of formula C4H8 (including stereoisomers).(b) For each structure, show how many types of H would appear in the proton NMR spectrum.(c) For each structure, show how many types of C would appear in the 13C NMR spectrum.arrow_forwardThe 1H NMR spectrum of CH3OH recorded on a 500 MHz NMR spectrometer consists of two signals, one due to the CH3 protons at 1715 Hz and one due to the OH proton at 1830 Hz, both measured downeld from TMS. (a) Calculate the chemical shift of each absorption. (b) Do the CH3 protons absorb upeld or downeld from the OH proton?arrow_forwardPlease look at the Proton NMR spectrum and identify the proposed molecular structure.arrow_forward
- a) Given the compound below d b a но i. Calculate the chemical shifts for each proton environment Show the multiplicity of each proton environment ii.arrow_forwardAre there any non-aromatic or non-alkene protons seen in the 1H NMR Spectrum (yes or no)? If so, please list the corresponding ppm values.arrow_forwardSelect the best pair of answers below justifying the reason for your answer with detailed explanations. Answer Q44arrow_forward
- V.) A compound with molecular formula C8H10O has the following proton NMR spectrum. Determine the number of protons giving rise to each signal (a, b, c, and d). (SEE PICTURE ATTACHED).arrow_forwardidentify the groups of homotopic protons and from these, the group with the lowest and the group with the highest shift values. Give an estimate for these shift values.arrow_forwardEstimate the 1H NMR chemical shift for the protons onC2 in the following compound.arrow_forward
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NMR Spectroscopy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SBir5wUS3Bo;License: Standard YouTube License, CC-BY