50 TOP CHROMATOGRAPHY Questions and Answers pdf

CHROMATOGRAPHY Questions and Answers pdf :-

1. Thin layer chromatography is

A. partition chromatography
B. electrical mobility of ionic species
C. adsorption chromatography
D. none of the above

Answer: C

2. In gas chromatography, the basis for separation of the components of the volatile material is the difference in

A. partition coefficients
B. conductivity
C. molecular weight
D. molarity

Answer: A

3. In reverse phase chromatography, the stationary phase is made

A. non-polar
B. polar
C. either non-polar or polar
D. none of these

Answer: A

CHROMATOGRAPHY Questions and Answers pdf
CHROMATOGRAPHY Questions and Answers pdf

4. Ion exchange chromatography is based on the

A. electrostatic attraction
B. electrical mobility of ionic species
C. adsorption chromatography
D. partition chromatography

Answer: A

5. 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)

A. V = V0 + kDVi
B. V = V0/Vi
C. V = V0 – kDVi
D. V/V0 = kDVi

Answer: A

6. A combination of paper chromatography and electrophoresis involves

A. partition chromatography
B. electrical mobility of the ionic species
C. both (a) and (b)
D. none of these

Answer: C

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