Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
MediumUsing the given figure,the ratio of $R_f$ values of sample $A$ and sample $C$ is $x \times 10^{-2}$. The value of $x$ is . . . . . . . .
Table: Paper chromatography of Samples
| Component | Distance from base line (cm) |
| :--- | :--- |
| Sample $A$ | $5.0$ |
| Sample $B$ | $6.5$ |
| Sample $C$ | $10.0$ |
| Solvent front | $12.5$ |
Table: Paper chromatography of Samples
| Component | Distance from base line (cm) |
| :--- | :--- |
| Sample $A$ | $5.0$ |
| Sample $B$ | $6.5$ |
| Sample $C$ | $10.0$ |
| Solvent front | $12.5$ |
- A$50$
- B$40$
- C$30$
- D$20$
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Similar Questions
$(a)$ Give uses of chromatography.
$(b)$ Give the meaning of the word chromatography.
$(c)$ Write the first use of chromatography.
$(b)$ Give the meaning of the word chromatography.
$(c)$ Write the first use of chromatography.
Difficult
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 SolutionWhat criterion is followed for the selection of the stationary phase in chromatography?
Easy
View SolutionThe most suitable method of separation of a $1:1$ mixture of $ortho$- and $para$-nitrophenols is:
MediumAIPMT 1993
View SolutionChromatography is used for the purification of:
Easy
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