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प्रश्न
The best and latest technique for isolation, purification and separation of organic compounds is ______.
विकल्प
Crystallisation
Distillation
Sublimation
Chromatography
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उत्तर
The best and latest technique for isolation, purification and separation of organic compounds is chromatography.
Explanation:
Chromatography is the most useful and the latest technique of separation and purification of organic compounds. It was first used to separate a mixture of coloured substances.
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संबंधित प्रश्न
Which separation technique will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Give a brief description of the principle of the following technique taking an example.
Chromatography
Explain the principle of paper chromatography.
On what principle is Chromatography method based?
What is meant by stationary phase and mobile phase in chromatography?
State the correct technique for the separation of the following mixture.
solid constituents in a liquid constituent by adsorption.
Give names of two materials used as stationary phase in chromatography.
Define the Stationary phase.
Name the different types of Chromatography and explain the principles underlying them.
How do you visualize colourless compounds after separation in TLC and Paper Chromatography?
Compare TLC and Paper Chromatography techniques.
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 ______.
Paper chromatography is ______.
The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B from the baseline are 3.25 cm, 2.08 cm and 1.05 cm respectively. The ratio of Rf values of A to B is ______.
In chromatography, which of the following statement is INCORRECT for Rf?
Which basic principle is used in chromatography?
