CHROMATOGRAPHY QUIZ

A combination of paper chromatography and electrophoresis involves

both (a) and (b)

partition chromatography

electrical mobility of the ionic species

none of these

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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/Vi

V/V0 = kDVi

V = V0 + kDVi

V = V0 - kDVi

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Thin layer chromatography is

partition chromatography

adsorption chromatography

electrical mobility of ionic species

None of these

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

molecular weight

molarity

partition coefficients

conductivity

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Ion exchange chromatography is based on the

adsorption chromatography

partition chromatography

electrostatic attraction

electrical mobility of ionic species

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In reverse phase chromatography, the stationary phase is made

none of these

either non-polar or polar

non-polar

polar

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