HPLC QUIZ

All of these

liquid/liquid (partition) chromatography

liquid/solid (adsorption) chromatography

ion exchange and size exclusion chromatography

60 and 100 A°

10 and 50 A°

100 and 150 A°

150 and 200 A°

None of these

is a measure of the solvent adsorption energy

ranks solvents by their relative abilities to displace solutes from a given absorbent

ranks column packing material by their relative abilities to retain solutes on the column

changes in a series of steps

changes continuously

remains constant

none of these

any of the above

non polar solvent/polar column

non polar solvent/non-polar column

polar solvent/non-polar column

Any compound with limited solubility in liquid

Any compound with non-solubility in liquid

Any of the above

Any compound with solubility in liquid

solvent adsorption energy

solvent diffusivity

solvent mixing index

solvent absorption energy

Greater sensitivity and reusable columns

Ideal for ionic species and large molecules

Sample recovery

All of these

remains constant

None of these

is changed continuously or in a series of steps

both (a) and (b)

directly related to the square of the peak width

inversely related to the square of the peak width

directly related to the square of the peak width

inversely related to the cube root of the peak width