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  • The substance used as adsorbent in column chromatography is:Option: 1 <img alt="\begin{aligned} & \mathrm{Na}_2 \mathrm{O} \\ \end{aligned}" src=

The substance used as adsorbent in column chromatography is:

Option: 1

\begin{aligned} & \mathrm{Na}_2 \mathrm{O} \\ \end{aligned}


Option: 2

\mathrm{Na}_2 \mathrm{SO}_4 \\


Option: 3

\mathrm{NaCl} \\


Option: 4

\mathrm{Al}_2 \mathrm{O}_3


Answers (1)

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Column chromatography is a technique which is used to separate a single chemical compound from a mixture dissolved in a fluid. It separates substances based on differential adsorption of compounds to the adsorbent as the compounds move through the column at different which allow them to get separated in fractions. 

The most commonly used adsorbent in column chromatography is \mathrm{Al_{2}O_{3}} and silica gel because these have high surface area and porous in nature such that they absorb substances onto the surface by inter-molecular forces.

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Pankaj

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