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Questions and Answers
What is the purpose of paper chromatography?
What is the purpose of paper chromatography?
- To alter the chemical structure of compounds
- To identify the density of substances
- To separate and analyze different colors in a mixture (correct)
- To measure the temperature of a solvent
What role does the paper play in paper chromatography?
What role does the paper play in paper chromatography?
- It acts as the stationary phase that does not move (correct)
- It serves as the mobile phase that moves with the solvent
- It evaporates during the process
- It alters the solubility of the components
Which statement is true regarding the components in paper chromatography?
Which statement is true regarding the components in paper chromatography?
- All components move at the same rate regardless of attraction
- Components more soluble in the solvent move faster (correct)
- Components more attracted to the paper travel faster
- Components that are less soluble in the solvent move faster
What causes the solvent to move up the paper in chromatography?
What causes the solvent to move up the paper in chromatography?
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How do different colors travel during paper chromatography?
How do different colors travel during paper chromatography?
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Study Notes
Paper Chromatography
- Technique for separating and analyzing mixtures of different colors.
- Uses two phases: stationary and mobile.
- Stationary Phase: The paper, which remains fixed.
- Mobile Phase: The solvent, which travels up the paper through capillary action.
- Different colors travel at varying rates due to their unique attraction to the paper (stationary phase) and their solubility in the solvent (mobile phase).
- Components with a higher affinity for the paper (stationary phase) travel slower.
- Components highly soluble in the solvent (mobile phase) move faster and further up the paper.
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