HPLC
An eluotropic series

ranks solvents by their relative abilities to displace solutes from a given absorbent
None of these
is a measure of the solvent adsorption energy
ranks column packing material by their relative abilities to retain solutes on the column

ANSWER DOWNLOAD EXAMIANS APP

HPLC
Void volume refers to the

the volume of the column between the point at which solvents are mixed and the beginning of the column
the volume of solvent contained in a liquid chromatographic column
total volume of eluent in the column the remainder being taken up by the packing material
the time required for the gradient to reach the column

ANSWER DOWNLOAD EXAMIANS APP