Multiple Choice Questions and Answers on Chromatography
Question 1 : A combination of paper chromatography and electrophoresis involves
- partition chromatography
- electrical mobility of the ionic species
- both (1) and (2)
- none of these
Answer : 3
Question 2 : Thin layer chromatography is
- partition chromatography
- electrical mobility of ionic species
- adsorption chromatography
- none of the above
Answer : 3
Question 3 : In gas chromatography, the basis for separation of the components of the volatile material is the difference in
- partition coefficients
- conductivity
- molecular weight
- molarity
Answer : 1
Question 4 : In reverse phase chromatography, the stationary phase is made
- non-polar
- polar
- either non-polar or polar
- none of these
Answer : 1
Question 5 : Ion exchange chromatography is based on the
- electrostatic attraction
- electrical mobility of ionic species
- adsorption chromatography
- partition chromatography
Answer : 1
Question 6 : The general expression for the appearance of a solute in an effluent is (where V is the elution volume of a substance , V0 void volume, kD distribution constant and Vi internal water volume)
- V = V0 + kDVi
- V = V0/Vi
- V = V0 – kDVi
- V/V0 = kDVi
Answer : 1