Question

Which method of Refining may be more suitable if Element is obtained in Minute Quantity?

Answer 1

1. Column chromatography is the method that is more suitable if the element is obtained in minute quantity.
2. Column chromatography is the technique which is used to separate a single component from the mixture of compounds.
3. The principle of column chromatography is that when the mobile phase have the mixture which has to be separated is introduced from the top of column, the components of compound have different adsorption and affinity rate.
4. The component which move with fast speed is removed first whereas the compounds that eluted at last move with slow speed.
5. The rate of movement of components is expressed by $R_f=Thedis\tan cetravelledbysolute/thedis\tan cetravelledbythesolvent$
   $where{R}_{f}isretardationfactor.$