According to the Pascal-Meier-Simon rule the highlighted proton in the structure below should have a chemical shift of approximately what value? H3C H,c-O CH3 CI a. 4.74 ppm b. 6.36 ppm с. 4.93 рpm d. 6.23 ppm The aldehyde proton has a high chemical shift BECAUSE it sits in the region of the anisotropic cone where shielding in decreased. a. The first statement is false and the second statement is true b. Both statements are true but the "BECAUSE" is false c. The fist statement is true and the second statement is false d. The statement is entirely false
According to the Pascal-Meier-Simon rule the highlighted proton in the structure below should have a chemical shift of approximately what value? H3C H,c-O CH3 CI a. 4.74 ppm b. 6.36 ppm с. 4.93 рpm d. 6.23 ppm The aldehyde proton has a high chemical shift BECAUSE it sits in the region of the anisotropic cone where shielding in decreased. a. The first statement is false and the second statement is true b. Both statements are true but the "BECAUSE" is false c. The fist statement is true and the second statement is false d. The statement is entirely false
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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Transcribed Image Text:According to the Pascal-Meier-Simon rule the highlighted proton in the structure below should have a chemical shift of approximately what value?
H3C
H2C-O
CH3
H
CI
а. 4.74 ppm
O b. 6.36 ppm
о с. 4.93 ррm
O d. 6.23 ppm
The aldehyde proton has a high chemical shift BECAUSE it sits in the region of the anisotropic cone where shielding in decreased.
a. The first statement is false and the second statement is true
b. Both statements are true but the "BECAUSE" is false
c. The fist statement is true and the second statement is false
d. The statement is entirely false
e. The statement is entirely true
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