Which Statements Are True for Molecular Exclusion Chromatography

question 16

Multiple Choice

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

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