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Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
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Paper chromatography is an example of

NEET 2020All NEET
  • A
    Column chromatography
  • B
    Adsorption chromatography
  • C
    Partition chromatography
  • D
    Thin layer chromatography
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

8-3.Organic Chemistry : Purification and characterization

Subtopic

Purification of Organic Compounds

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NEET 2020 PaperAll NEET years →

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Match List-$I$ with List-$II$.
List-$I$ (Purification technique) List-$II$ (Mixture of organic compounds)
$(A)$ Distillation (simple) $(I)$ Diesel + Petrol
$(B)$ Fractional distillation $(II)$ Aniline + Water
$(C)$ Distillation under reduced pressure $(III)$ Chloroform + Aniline
$(D)$ Steam distillation $(IV)$ Glycerol + Spent-lye

Choose the correct answer from the options given below $:$

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What is adsorption chromatography? Write its types.

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In chromatography,what does $R_f$ stand for?

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What criterion is followed for the selection of the stationary phase in chromatography?

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The 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

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