Lecture 15 Quiz

Question 1

Gas Chromatography and Liquid Chromatography use which form of chromatography:

(a) Planar
(b) Paper
(c) Column
(d) Thin Layer

Answer 1

(c) Column

Question 2

The distance compounds travel based on how strongly they partition between the stationary phase and the mobile phase is known as its:

(a) Partition Distance
(b) Travel Factor
(c) Resolution
(d) Retention Factor

Answer 2

(d) Retention Factor

Question 3

___________ chromatography separates analytes based on their charge using a charged stationary phase.

(a) Adsorption
(b) Size Exclusion
(c) Ion Exchange
(d) Gas

Answer 3

(c) Ion Exchange

Question 4

Chromatography that separates analytes via liquid chromatography using biological interaction is known as:

(a) Size Exclusion Chromatography
(b) Adsorption Chromatography
(c) Partition Chromatography
(d) Affinity Chromatography

Answer 4

(d) Affinity Chromatography

Question 5

Which of the following is an example of planar chromatography?

(a) Gas Chromatography
(b) Liquid Chromatography
(c) Thin Layer Chromatography
(d) All of the following

Answer 5

(c) Thin Layer Chromatography

Question 6

Which separation technique is usually saved for a final purification step due to its low resolution:

(a) Size Exclusion Chromatography
(b) Ion Exchange Chromatography
(c) Affinity Chromatography
(d) Adsorption Chromatography

Answer 6

(a) Size Exclusion Chromatography

Question 7

Particles in the mobile phase with ______ affinity for the stationary phase, migrate slower than those with a ________ affinity:

(a) lower; higher
(b) higher; lower

Answer 7

(b) higher; lower

Question 8

Chromatography is:

(a) A chemical separation technique.
(b) A physical separation technique.
(c) An electrical separation technique.
(d) Not a separation technique.

Answer 8

(b) A physical separation technique.

Question 9

Chromatography involving a carrier gas moving solutes to a detector where they are then separated via retention time and quantitated by comparing peak area/height to a known standard is known as:

(a) Ion Exchange Chromatography
(b) Gas Chromatography
(c) Liquid Chromatography
(d) Thin Layer Chromatography

Answer 9

(b) Gas Chromatography

Question 10

How well analytes are separated via chromatography is known as:

(a) Resolution
(b) Peak Height
(c) Peak Precision
(d) Clarity

Answer 10

(a) Resolution