Which Statements Are True for Molecular Exclusion 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,K_av = 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 first.
V Molecular exclusion chromatography with a hydrophilic stationary phase and an aqueous solvent is called gel permeation chromatography.

A) I,II,III,and V
B) II and V
C) I,II,and IV
D) I,III,and IV
E) III,IV,and V

Correct Answer:

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