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rue or false Please answer c,d,e

rue or false Please answer c,d,e

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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True or false Please answer c,d,e
a. A proton with a chemical shift of 600HZ relative to TMS in a 600MHZ NMR appears at 0.5 ppm in a 300 MHz NMR. b. The coupling constant J3 in 1-bromo-2-chloroethane which is 6.0 Hz in a 200 MHz NMR is 12.0 Hz in a 400 MHz NMR. c. 1,1-dimethylcyclohexane at temperatures that prevent conformational interconversion exhibits 6 chemical shifts in the proton NMR spectrum. d. "CNMR spectra cannot normally be integrated without the use of a specialized NMR technique because of long relaxation times. e. Protons that are downfield are shielded f. 1-Chlorocyclohexane has diastereotopic hydrogens g. Non-first order effects in proton NMR spectra are more important as the chemical shift difference between two protons gets larger than their coupling interaction,
Transcribed Image Text:a. A proton with a chemical shift of 600HZ relative to TMS in a 600MHZ NMR appears at 0.5 ppm in a 300 MHz NMR. b. The coupling constant J3 in 1-bromo-2-chloroethane which is 6.0 Hz in a 200 MHz NMR is 12.0 Hz in a 400 MHz NMR. c. 1,1-dimethylcyclohexane at temperatures that prevent conformational interconversion exhibits 6 chemical shifts in the proton NMR spectrum. d. "CNMR spectra cannot normally be integrated without the use of a specialized NMR technique because of long relaxation times. e. Protons that are downfield are shielded f. 1-Chlorocyclohexane has diastereotopic hydrogens g. Non-first order effects in proton NMR spectra are more important as the chemical shift difference between two protons gets larger than their coupling interaction,
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