____________________ Is Used to Isolate a Single Compound or Class

question 2

Multiple Choice

____________________ is used to isolate a single compound or class of compounds from a complex mixture by passing the sample through a column where only one solute is bound.The remaining solutes pass through the column.The bound solute is eluted from the column by changing a condition such as________________________________________ to weaken its binding.

• A)Adhesion chromatography;ratio of polar and nonpolar solvents
• B)Binding chromatography;pH or ionic strength
• C)Affinity chromatography;the polarity of the solvent
• D)Adhesion chromatography;the temperature of the column
• E)Affinity chromatography;pH or ionic strength

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Definitions:

Standard Deviation

A statistic that measures the dispersion or variation of a set of values relative to the mean.

Random Variable

A variable whose possible values are numerical outcomes of a random phenomenon, with each outcome having a probability associated with it.

Packet of Rice

A pre-measured, packaged amount of rice, typically sold in a sealed bag or box.

Remaining

The portion of something that is left after other parts have been used, removed, or subtracted.