(D) Thin-layer chromatography $(TLC)$ is a type of adsorption chromatography. In this technique,a thin layer of an adsorbent material (like silica gel

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(D) Thin-layer chromatography $(TLC)$ is a type of adsorption chromatography. In this technique,a thin layer of an adsorbent material (like silica gel or alumina) is spread over a glass or plastic plate. The mixture to be separated is applied to the plate,and the components are separated based on their differential adsorption on the stationary phase as the mobile phase moves up the plate.

Class 11 Chemistry 8-3.Organic Chemistry : Purification and characterization Purification of Organic Compounds

Medium

Thin-layer chromatography is an example of

A
Partition chromatography
B
Column chromatography
C
Gas-chromatography
D
Adsorption 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

How is glycerol separated from spent-lye in the soap industry?

Easy

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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

DifficultJEE MAIN 2019

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Match 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-$II$ $(\text{Method of Separation})$
$A. CHCl_3 + C_6H_5NH_2$	$I. \text{Distillation under reduced pressure}$
$B. \text{Crude oil in petroleum industry}$	$II. \text{Steam distillation}$
$C. \text{Glycerol from spent-lye}$	$III. \text{Fractional distillation}$
$D. \text{Aniline-water}$	$IV. \text{Simple distillation}$