OBJECT ORIENTED DATA MODELING QUIZ

total volume of eluent in the column the remainder being taken up by the packing material

the volume of solvent contained in a liquid chromatographic column

the volume of the column between the point at which solvents are mixed and the beginning of the column

the time required for the gradient to reach the column

changes continuously

none of these

remains constant

changes in a series of steps

polar solvent/non-polar column

non polar solvent/non-polar column

non polar solvent/polar column

any of the above

High Pressure Liquid Chromatography

High Performance Liquid Chromatography

Highly Placed Liquid Chromatography

both (a) and (b)

any of the above

non polar solvent/polar column

non polar solvent/non-polar column

polar solvent/non-polar column

inversely related to the square of the peak width

directly 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

liquid/liquid (partition) chromatography

All of these

liquid/solid (adsorption) chromatography

ion exchange and size exclusion chromatography

150 and 200 A°

100 and 150 A°

60 and 100 A°

10 and 50 A°

Sample recovery

Greater sensitivity and reusable columns

Ideal for ionic species and large molecules

All of these

solvent absorption energy

solvent adsorption energy

solvent diffusivity

solvent mixing index