Paper Chromatography Flashcard

Front

What is the purpose of placing a lid on top of the beaker during paper chromatography?

Back

To prevent the solvent from evaporating.

Front

What happens if a chemical is not soluble in the solvent during paper chromatography?

Back

It stays on the baseline.

Front

What is the mobile phase in paper chromatography?

Back

A liquid or gas that the molecules can move in.

Front

What is the purpose of drawing a baseline on the filter paper?

Back

To mark the starting point for the sample of ink.

Front

What is the pattern of spots left on the filter paper called?

Back

Chromatogram.

Front

What is chromatography?

Back

A technique used to separate mixtures into their individual components.

Front

What is the stationary phase in paper chromatography?

Back

The solid or liquid that does not move, usually the paper itself.

Front

How does the solvent front move in paper chromatography?

Back

It moves up the paper as the solvent travels.

Front

What factors can affect the separation of substances in chromatography?

Back

Solvent type, paper type, temperature, and the nature of the substances.

Front

What is the role of the solvent in paper chromatography?

Back

To carry the substances up the paper.