Class 11Chemistry3 Organic Chemistry: Purification and CharacterisationPurification of Organic Compounds
MediumGiven below are two statements:
Statement-$I$: Retardation factor $(R_f)$ can be measured in $meter/centimeter$.
Statement-$II$: $R_f$ value of a compound remains constant in all solvents.
Choose the most appropriate answer from the options given below:
Statement-$I$: Retardation factor $(R_f)$ can be measured in $meter/centimeter$.
Statement-$II$: $R_f$ value of a compound remains constant in all solvents.
Choose the most appropriate answer from the options given below:
- AStatement-$I$ is true but statement-$II$ is false.
- BBoth statement-$I$ and statement-$II$ are true.
- CBoth statement-$I$ and statement-$II$ are false.
- DStatement-$I$ is false but statement-$II$ is true.
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Ethylene has a high $b.p.$ and high vapour pressure at $100\,^{\circ}C$ and does not dissolve in water. Hence,ethylene is separated by this method:
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View SolutionMatch List-$I$ with List-$II$:
List-$I$ (Technique) List-$II$ (Application) $A$. Distillation $I$. Chloroform-Aniline $B$. Fractional distillation $II$. Separation of crude oil fractions $C$. Steam distillation $III$. Aniline-Water mixture $D$. Distillation under reduced pressure $IV$. Separation of glycerol from spent-lye
Choose the correct answer from the options given below:
| List-$I$ (Technique) | List-$II$ (Application) |
|---|---|
| $A$. Distillation | $I$. Chloroform-Aniline |
| $B$. Fractional distillation | $II$. Separation of crude oil fractions |
| $C$. Steam distillation | $III$. Aniline-Water mixture |
| $D$. Distillation under reduced pressure | $IV$. Separation of glycerol from spent-lye |
Choose the correct answer from the options given below:
DifficultJEE MAIN 2024
View SolutionFill in the blanks:
$1$. In differential extraction from two layers,the .......... layer is above because .............
$2$. The organic solvent used in differential extraction is .......... in water.
$3$. If an organic compound is ......... soluble in an organic solvent,then the continuous extraction technique is used.
$4$. ........ solution is added to produce the precipitate of halide for the estimation of halogen.
$1$. In differential extraction from two layers,the .......... layer is above because .............
$2$. The organic solvent used in differential extraction is .......... in water.
$3$. If an organic compound is ......... soluble in an organic solvent,then the continuous extraction technique is used.
$4$. ........ solution is added to produce the precipitate of halide for the estimation of halogen.
Medium
View SolutionWhich of the following statements is incorrect for paper chromatography?
MediumAIIMS 2019
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