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प्रश्न
Name the different types of Chromatography and explain the principles underlying them.
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उत्तर
Depending on the nature of the stationary phase i.e., whether it is a solid or a liquid, chromatography is classified into adsorption chromatography and partition chromatography.
- Adsorption chromatography: This technique is based on the principle of differential adsorption. Different solutes are adsorbed on an adsorbent to a different extent.
Adsorption chromatography is further classified into two types:
a. Column chromatography
b. Thin-layer chromatography - Partition chromatography: This technique is based on the continuous differential partitioning of components of a mixture between stationary and mobile phases. For example, paper chromatography.
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संबंधित प्रश्न
Give a brief description of the principle of the following technique taking an example.
Chromatography
Explain the principle of paper chromatography.
The best and latest technique for isolation, purification and separation of organic compounds is ______.
Name the different types of chromatographic techniques.
Give a scientific reason.
In chromatography, the ingredients of a mixture rise up to limited height water rises up to the upper end of the paper.
Give a reason for the following statement:
In chromatography the absorbent medium e.g. What man filter paper is known as the stationary phase.
Choose the correct option.
Colourless components on chromatogram can not be observed by the following:
Give names of two materials used as stationary phase in chromatography.
How do you visualize colourless compounds after separation in TLC and Paper Chromatography?
Compare TLC and Paper Chromatography techniques.
Label the diagram and explain the process in your words.
Chromatography is based on the principle of ______.
During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?
The principle involved in paper chromatography is ______.
What is paper chromatography?
Paper chromatography is ______.
In chromatography technique, the purification of compound is independent of ______.
In chromatography, which of the following statement is INCORRECT for Rf?
Complex mixtures are separated by ______.
What is the function of the stationary phase in chromatography?
In chromatography, the mobile phase is usually ______.
Who first described the method of chromatography?
