Chromatography is used for which type of comp | vedclass

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(D) Chromatography is a versatile technique used for the separation and identification of various compounds:$(i)$ It is used for naturally coloured co

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(D) Chromatography is a versatile technique used for the separation and identification of various compounds:$(i)$ It is used for naturally coloured compounds.$(ii)$ It is used for compounds that produce colour when treated with iodine.$(iii)$ It is used for colourless compounds that can be visualized by spraying the chromatogram with an appropriate reagent to produce distinct spots.$(iv)$ For example,metal ions like $Pb^{2+}$,$Cd^{2+}$,and $Cu^{2+}$ can be identified by spraying with $H_2S$ to form characteristic coloured sulphide spots.

Column-$I$ (Mixture of compounds)	Column-$II$ (Separation Technique)
$A$. $H_2O / CH_2Cl_2$	$I$. Crystallization
$B$. $\alpha$-tetralone / $p$-nitrophenol	$II$. Differential solvent extraction
$C$. Kerosene / Naphthalene	$III$. Column chromatography
$D$. $C_6H_{12}O_6 / NaCl$	$IV$. Fractional Distillation

Chromatography is used for which type of compounds?

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