Which statements are true for molecular exclusion chromatography? I Molecular exclusion chromatography separates on the basis of size. II Small molecules that freely pass through the stationary phase, Kav = 0. III Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last. IV The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute last. V Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography
Which statements are true for molecular exclusion chromatography? I Molecular exclusion chromatography separates on the basis of size. II Small molecules that freely pass through the stationary phase, Kav = 0. III Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last. IV The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute last. V Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography
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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Which statements are true for molecular exclusion chromatography?
I Molecular exclusion chromatography separates on the basis of size.
II Small molecules that freely pass through the stationary phase, Kav = 0.
III Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last.
IV The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute last.
V Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography.
I Molecular exclusion chromatography separates on the basis of size.
II Small molecules that freely pass through the stationary phase, Kav = 0.
III Small molecules can fit in the pores of the stationary phase and effectively pass through a larger volume, and elute last.
IV The pores in the stationary phase are too small for large molecules to pass through, so large molecules elute last.
V Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography.
A. II and V
B. I, II, and IV
C. III, IV, and V
D. No correct combinations given above
E. I, III, and IV
F. I, II, III, and V
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