Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
EasyGive the difference between paper chromatography and thin layer chromatography.
(N/A)
| Paper chromatography | Thin layer chromatography |
| $(i)$ It is a partition chromatography. | $(i)$ It is an adsorption chromatography. |
| $(ii)$ Special cellulose paper is used as a stationary phase. | $(ii)$ $A$ thin layer of silica gel or alumina spread over a glass plate is used as a stationary phase. |
| $(iii)$ Mobile phase is a liquid. | $(iii)$ Mobile phase can be a liquid or a gas. |
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Similar Questions
The species that exhibits the highest $R_f$ value in a thin layer chromatogram using a non-polar solvent on a silica gel plate is
MediumKVPY 2014
View SolutionMatch column $-I$ and column $-II$ with the correct relation:
Column $-I$ Column $-II$ $(i)$ Liquid boiled at low temperature $(a)$ Fractional distillation $(ii)$ Glycerol from lye $(b)$ Simple distillation $(iii)$ The liquid with lower boiling point condenses first $(c)$ Steam distillation $(iv)$ The liquid with higher boiling point condenses first $(d)$ Distillation under reduced pressure
| Column $-I$ | Column $-II$ |
| $(i)$ Liquid boiled at low temperature | $(a)$ Fractional distillation |
| $(ii)$ Glycerol from lye | $(b)$ Simple distillation |
| $(iii)$ The liquid with lower boiling point condenses first | $(c)$ Steam distillation |
| $(iv)$ The liquid with higher boiling point condenses first | $(d)$ Distillation under reduced pressure |
Easy
View SolutionChromatography is used for the purification of which of the following?
Easy
View SolutionExplain the process of steam distillation.
Difficult
View SolutionState whether the following statements are True or False:
$(i)$ The boiling points of chloroform and aniline are $334 \ K$ and $457 \ K$ respectively.
$(ii)$ The vapour of chloroform is obtained after aniline in simple distillation.
$(iii)$ Chloroform is more volatile than aniline.
$(i)$ The boiling points of chloroform and aniline are $334 \ K$ and $457 \ K$ respectively.
$(ii)$ The vapour of chloroform is obtained after aniline in simple distillation.
$(iii)$ Chloroform is more volatile than aniline.
Easy
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