Chromatography Quiz

What does Rf value represent in planar chromatography?

• Refractive factor

• Reaction factor

• Resolution factor

• Retardation factor

Which of the following is NOT a type of chromatographic separation technique?

• Size Exclusion Chromatography

• Affinity Chromatography

• Thermal Chromatography

• Ion Exchange Chromatography

What is the main principle behind Size Exclusion Chromatography (SEC)?

• Separation based on affinity

• Separation based on charge

• Separation based on polarity

• Separation based on size

In Ion Exchange Chromatography, what is exchanged between the sample solution and the ion exchangers?

• Molecules

• Gases

• Ions

• Solvents

Which of the following is a characteristic of Adsorption Chromatography?

• Is only applicable to solids

• Requires a gas mobile phase

• Involves surface interactions

• Uses a liquid mobile phase

What is the role of the detector in HPLC?

• To inject the sample

• To measure the amount of each compound

• To separate the compounds

• To prepare the mobile phase

Which chromatography technique is best suited for separating volatile compounds?

• High Performance Liquid Chromatography

• Thin Layer Chromatography

• Gas Chromatography

• Paper Chromatography

Which of the following is a characteristic of High Performance Thin-Layer Chromatography (HPTLC)?

• Higher sensitivity

• Requires more sample volume

• Slower analysis times

• Uses thicker plates

In size exclusion chromatography, which type of molecules elute first?

• Large aggregates

• Medium-sized molecules

• All molecules elute simultaneously

• Small molecules

Which separation technique is best suited for separating proteins based on their interactions with ligands?

• Adsorption Chromatography

• Ion Exchange Chromatography

• Partition Chromatography

• Affinity Chromatography