EXPERIMENT 3 Chromatography

Question 1

A process of separating components of a mixture.

Answer 1

Chromatography

Question 2

It involves distribution between phases

Answer 2

Chromatography

Question 3

Types of chromatography (4)

Answer 3

Elution/column
Paper
Thin layer
Gas chromatography

Question 4

In All types of chromatography, one phase is ____ and the other is ___

Answer 4

Stationary
Mobile

Question 5

Individual components may be absorbed by ____ distribution between the two phases as the ___ phase passes in and around the stationary phase

Answer 5

Reversible
Mobile

Question 6

Different components may have ___ attractions for either the stationary or the mobile phase and so may move at different rate along the direction of the ___

Answer 6

Different
Solvent flow

Question 7

In ____ chromatography, The stationary phase is a special ____ of paper

Answer 7

Paper
Filter-type

Question 8

The water which is normally held by the ___ known as ___ is the functioning part of the stationary phase.

The ___ is the solvent or a mixture of solvents

Answer 8

Cellulose
Bound water
Mobile phase

Question 9

The mixture of organic compounds which is applied as a spot on the paper may be considered as the ___ which is to be distributed between the two phases

Answer 9

Solute

Question 10

The ___ moves more rapidly than the ___

The ratio of the rate movement of the solute to the rate of movement of the developing solvent is called the ___ (__). The ratio can be expressed in terms of the ___ moved by each

Answer 10

Solvent
Solute
RF (distance solute moved/distance solvent moved)
Rate of flow
Distances