9th Edition

ISBN: 9780136781776

Author: Wade

Publisher: PEARSON CO

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This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is als…

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Textbook Question

Chapter 13.5A, Problem 13.1P

In a 300-MHz spectrometer, the protons in iodomethane absorb at a position 650 Hz, downfield from TMS.

a. What is the chemical shift of these protons?
b. What is the chemical shift of the iodomethane protons in a 60 MHz spectrometer?
c. How many hertz downfield from TMS would they absorb at 60 MHz?

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Chapter 12, Problem 12.31SP

Chapter 13.5B, Problem 13.2P

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Chapter 13 Solutions

EP ORGANIC CHEMISTRY -MOD.MASTERING 18W

Ch. 13.5A - In a 300-MHz spectrometer, the protons in...Ch. 13.5B - Prob. 13.2P Ch. 13.6 - Determine the number of different kinds of protons...Ch. 13.6 - Prob. 13.4P Ch. 13.7 - Draw the integral trace expected for the NMR...Ch. 13.7 - Prob. 13.6P Ch. 13.8C - Draw the NMR spectra you would expect for the...Ch. 13.8D - Draw the NMR spectra you expect for the following...Ch. 13.8D - a. Assign protons to the peaks in the NMR spectrum...Ch. 13.8D - Prob. 13.10P

Ch. 13.8D - Two spectra are shown. Propose a structure that...Ch. 13.9 - Prob. 13.12P Ch. 13.9 - The spectrum of trans-hex-2-enoic acid follows. a....Ch. 13.9 - Prob. 13.14P Ch. 13.9 - Prob. 13.15P Ch. 13.10 - Prob. 13.16P Ch. 13.10 - If the imaginary replacement of either of two...Ch. 13.10 - Predict the theoretical number of different NMR...Ch. 13.11B - Prob. 13.19P Ch. 13.11B - Prob. 13.20P Ch. 13.11B - Prob. 13.21P Ch. 13.11B - Prob. 13.22P Ch. 13.11B - Prob. 13.23P Ch. 13.11B - Prob. 13.24P Ch. 13.12E - Draw the expected broadband-decoupled 13 C N M R...Ch. 13.12E - a. Show which carbon atoms correspond with which...Ch. 13.12E - Repeat Problem13-25, sketching the...Ch. 13.12F - Prob. 13.28P Ch. 13.13 - A bottle of allyl bromide was found to contain a...Ch. 13.13 - A laboratory student was converting cyclohexanol...Ch. 13.14 - Sets of spectra are given for two compounds. For...Ch. 13 - An unknown compound has the molecular formula C 9...Ch. 13 - Prob. 13.34SP Ch. 13 - Predict the approximate chemical shifts of the...Ch. 13 - Prob. 13.36SP Ch. 13 - Prob. 13.37SP Ch. 13 - Prob. 13.38SP Ch. 13 - Prob. 13.39SP Ch. 13 - Prob. 13.40SP Ch. 13 - For each compound shown below. 1. sketch the 13 C...Ch. 13 - Prob. 13.42SP Ch. 13 - Prob. 13.43SP Ch. 13 - Prob. 13.44SP Ch. 13 - Prob. 13.45SP Ch. 13 - Prob. 13.46SP Ch. 13 - A compound was isolated as a minor constituent in...Ch. 13 - Prob. 13.48SP Ch. 13 - The three isomers of dimethylbenzene are commonly...Ch. 13 - a. Draw all six isomers of formula C 4 H 8...Ch. 13 - Prob. 13.51SP Ch. 13 - Hexamethylbenzene undergoes free-radical...Ch. 13 - Each of these four structures has molecular...Ch. 13 - Prob. 13.54SP Ch. 13 - Phenyl Grignard reagent adds to 2-methylpropanal...Ch. 13 - Prob. 13.56SP

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In a 300-MHz spectrometer, the protons in iodomethane absorb at a position 650 Hz, downfield from TMS. a. What is the chemical shift of these protons? b. What is the chemical shift of the iodomethane protons in a 60 MHz spectrometer? c. How many hertz downfield from TMS would they absorb at 60 MHz?

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Chapter 13 Solutions