Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
DifficultOn a thin layer chromatographic plate,an organic compound moved by $3.5 \ cm$,while the solvent moved by $5 \ cm$. The retardation factor of the organic compound is . . . . . . $\times 10^{-1}$.
- A$06$
- B$07$
- C$8$
- D$5$
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Which of the following statements is not true about partition chromatography?
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In $TLC$ for compound $X$,$R_f = 0.7$ and for $B$,$R_f = 0.4$. Which substance migrates more?
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View SolutionMatch List-$I$ with List-$II$:
List-$I$ $(\text{Mixture})$ List-$II$ $(\text{Method of Separation})$ $A. CHCl_3 + C_6H_5NH_2$ $I. \text{Distillation under reduced pressure}$ $B. \text{Crude oil in petroleum industry}$ $II. \text{Steam distillation}$ $C. \text{Glycerol from spent-lye}$ $III. \text{Fractional distillation}$ $D. \text{Aniline-water}$ $IV. \text{Simple distillation}$
Choose the correct answer from the options given below:
| List-$I$ $(\text{Mixture})$ | List-$II$ $(\text{Method of Separation})$ |
|---|---|
| $A. CHCl_3 + C_6H_5NH_2$ | $I. \text{Distillation under reduced pressure}$ |
| $B. \text{Crude oil in petroleum industry}$ | $II. \text{Steam distillation}$ |
| $C. \text{Glycerol from spent-lye}$ | $III. \text{Fractional distillation}$ |
| $D. \text{Aniline-water}$ | $IV. \text{Simple distillation}$ |
Choose the correct answer from the options given below:
DifficultNEET 2025
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