Class 11Chemistry3 Organic Chemistry: Purification and CharacterisationPurification of Organic Compounds
EasyThe fragrance of flowers is due to the presence of some steam-volatile organic compounds. These compounds are known as essential oils. At room temperature,these oils are insoluble in water but are miscible with water vapor. Name the suitable method for the extraction of these oils from flowers.
- ADistillation
- BCrystallization
- CDistillation under reduced pressure
- DSteam distillation
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Similar Questions
State whether the following statements are True or False:
$(i)$ The purification of a solid is done by crystallisation.
$(ii)$ Crystallisation purifies the solid and distillation purifies the liquid.
$(iii)$ $A$ liquid is purified by sublimation.
$(iv)$ To separate a mixture of ammonium chloride and sodium chloride,the distillation method is applied.
$(i)$ The purification of a solid is done by crystallisation.
$(ii)$ Crystallisation purifies the solid and distillation purifies the liquid.
$(iii)$ $A$ liquid is purified by sublimation.
$(iv)$ To separate a mixture of ammonium chloride and sodium chloride,the distillation method is applied.
Medium
View SolutionCompare the pressure of aniline and water in vapour phase distillation.
Easy
View SolutionSuggest the method for the purification of naphthalene.
Easy
View SolutionThe correct match between Item $I$ and Item $II$ is
Item $I$ Item $II$ $a$. Benzaldehyde $p$. Mobile phase $b$. Alumina $q$. Adsorbent $c$. Acetonitrile $r$. Adsorbate
| Item $I$ | Item $II$ |
| $a$. Benzaldehyde | $p$. Mobile phase |
| $b$. Alumina | $q$. Adsorbent |
| $c$. Acetonitrile | $r$. Adsorbate |
DifficultJEE MAIN 2019
View SolutionThe mixture of compounds $A$ and $B$ is passed through a column of $Al_2O_3$ by using alcohol as eluant. Compound $A$ is eluted in preference to compound $B$. Which of the compounds $A$ or $B$ is more readily adsorbed on the column?
Medium
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