Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
MediumThe correct match between items of List-$I$ and List-$II$ is:
List-$I$ List-$II$ $A$. Coloured impurity $P$. Steam distillation $B$. Mixture of $o$-nitrophenol and $p$-nitrophenol $Q$. Fractional distillation $C$. Crude oil $R$. Charcoal treatment $D$. Mixture of glycerol and sugars $S$. Distillation under reduced pressure
| List-$I$ | List-$II$ |
| $A$. Coloured impurity | $P$. Steam distillation |
| $B$. Mixture of $o$-nitrophenol and $p$-nitrophenol | $Q$. Fractional distillation |
| $C$. Crude oil | $R$. Charcoal treatment |
| $D$. Mixture of glycerol and sugars | $S$. Distillation under reduced pressure |
- A$A-R, B-P, C-Q, D-S$
- B$A-P, B-S, C-R, D-Q$
- C$A-R, B-P, C-S, D-Q$
- D$A-R, B-S, C-P, D-Q$
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What is a chromatogram?
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View Solution$A$ mixture of methyl alcohol and acetone can be separated by
Medium
View SolutionMatch Column-$I$ and Column-$II$ with correct relation:
Column-$I$ Column-$II$ $(i)$ Differential extraction $(p)$ High difference of boiling point $(ii)$ Steam distillation $(q)$ Separatory funnel $(iii)$ Distillation at low pressure $(r)$ Component of petroleum $(iv)$ Simple distillation $(s)$ Liquid decompose at high temperature $(v)$ Fractional distillation $(t)$ Vacuum pump
| Column-$I$ | Column-$II$ |
|---|---|
| $(i)$ Differential extraction | $(p)$ High difference of boiling point |
| $(ii)$ Steam distillation | $(q)$ Separatory funnel |
| $(iii)$ Distillation at low pressure | $(r)$ Component of petroleum |
| $(iv)$ Simple distillation | $(s)$ Liquid decompose at high temperature |
| $(v)$ Fractional distillation | $(t)$ Vacuum pump |
Medium
View SolutionState whether the following statements regarding fractional distillation are True or False:
$(i)$ The freezing of vapour of a liquid with a high boiling point takes place first.
$(ii)$ In the column,the more volatile liquid is present in a higher concentration in the vapour phase at higher levels.
$(iii)$ The condensed liquid flows down and provides heat to the vaporizing liquid.
$(iv)$ The liquid with the highest boiling point reaches the top of the column.
$(i)$ The freezing of vapour of a liquid with a high boiling point takes place first.
$(ii)$ In the column,the more volatile liquid is present in a higher concentration in the vapour phase at higher levels.
$(iii)$ The condensed liquid flows down and provides heat to the vaporizing liquid.
$(iv)$ The liquid with the highest boiling point reaches the top of the column.
Medium
View SolutionMatch List-$I$ with List-$II$:
List-$I$ (Separation of) List-$II$ (Separation Technique) $A$. Aniline from aniline$-water$ mixture $I$. Simple distillation $B$. Glycerol from spent$-lye$ in soap industry $II$. Fractional distillation $C$. Different fractions of crude oil in petroleum industry $III$. Distillation at reduced pressure $D$. Chloroform$-Aniline$ mixture $IV$. Steam distillation
Choose the correct answer from the options given below:
| List-$I$ (Separation of) | List-$II$ (Separation Technique) |
|---|---|
| $A$. Aniline from aniline$-water$ mixture | $I$. Simple distillation |
| $B$. Glycerol from spent$-lye$ in soap industry | $II$. Fractional distillation |
| $C$. Different fractions of crude oil in petroleum industry | $III$. Distillation at reduced pressure |
| $D$. Chloroform$-Aniline$ mixture | $IV$. Steam distillation |
Choose the correct answer from the options given below:
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