A Chemist Is Evaluating a Proton NMR Spectrum Taken on a 300

question 22

Multiple Choice

A chemist is evaluating a proton NMR spectrum taken on a 300 MHz NMR spectrometer.She wishes to determine the chemical shift in ppm of a singlet that appears at 1140 Hz from TMS.What is the chemical shift in ppm?

• A) 0.26 ppm
• B) 3.8 ppm
• C) 7.6 ppm
• D) 300 ppm
• E) None of the above.

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