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Decomposition Reaction

What is meant...

Question

What is meant by stationary phase and mobile phase in chromatography?

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Solution

Stationary phase in chromatography is the one which does not move with the sample whereas mobile phase in chromatography is one which moves with the sample.
Example: In Paper Chromatography: The paper strip acts as "stationary phase" while the solvent act as "mobile phase" in paper chromatography.

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Similar questions

Q. 1. What is chromatography?
2. Why is it named so?
3. What are the advantages of chromatography?
4. Name the simplest type of chromatography?
5. On what principle is this method based?
6. What is meant by stationary phase and mobile phase in chromatography?

What is mobile phase (in paper chromatography)?

Q. Which compound is generally used as a mobile phase in paper chromatography?

Q. Assertion :Chromatography in general involves a mobile phase (a gas, a liquid or a supercritical fluid) and a stationary phase (like

A l_{2} O_{3}

column). Reason: A compound which is less soluble in the stationary phase takes longer time travel through it than a component which is more soluble in the stationary phase.

Q. Name the chromatography which is based on continous differential partitioning of components of a mixture between the stationary and the mobile phase.

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