Revision - Chromatography

Revision - Chromatography

University

35 Qs

quiz-placeholder

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Revision - Chromatography

Revision - Chromatography

Assessment

Quiz

Chemistry, Biology, Physics

University

Hard

Created by

Jane Gew

Used 35+ times

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A hydrophobic compound will preferentially partition into an aqueous solvent. True or false?

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chromatography is a physical method that is used to separate and analyse _____________.

Pure compounds

Complex mixtures

Viscous mixtures

Metals

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The process of passing a mobile phase through a chromatography column is called which one of the following?

Flushing

Washing

Elution

Partitioning

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which type of chromatography, the stationary phase held in a narrow glass tube and the mobile phase is forced through it under pressure?

Column chromatography

Planar chromatography

Liquid chromatography

Gas chromatography

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In chromatography, which of the following can the mobile phase be made of?

Solid or liquid

Liquid or gas

Gas only

Liquid only

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A thin layer chromatography (TLC) plate was set up with a non-polar solvent, hexane, and a polar stationary phase, silica gel. The chromatogram below was obtained. A ruler was then placed next to the plate. Calcualte the Rf value for the compound.

0.80

0.78

0.64

0.61

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following types of chromatography involves the process, where the mobile phase moves through the stationary phase by the influence of gravity or capillary action?

Column Chromatography

High Performance Liquid Chromatography

Gas Chromatography

Planar Chromatography

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