In a spectrometer operating at 400.130 000 MHz for 1H, on the δ scale what separation of peaks in the 1H spectrum corresponds to a frequency difference of 550 Hz?

Answered: In a spectrometer operating at 400.130…

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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In a spectrometer operating at 400.130 000 MHz for ¹H, on the δ scale what separation of peaks in the ¹H spectrum corresponds to a frequency difference of 550 Hz?

Expert Solution

Step 1

Separation between two peaks in part per million (ppm) is known as chemical shift.

It is calculated by: $C h e m i c a l s h i f t (δ) p p m = \frac{f r e q u e n c y o f s i g n a l - f r e q u e n c y o f r e f e r e n c e}{s p e c t r o m e t e r f r e q u e n c y} \times 10^{6}$

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