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 J13 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.
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 J13 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.
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL3: Carbon (13c) Nmr Spectroscopy
Section: Chapter Questions
Problem 6CTQ
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Please answer a,b,c
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