What are the applications of adsorption in chemical analysis?
What are the applications of adsorption in chemical analysis?
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1 Answer
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This is a Long Answers Type Questions as classified in NCERT Exemplar
Ans: (i) Separation of inert gases: Due to a difference in the degree of adsorption of gases by charcoal, a mixture of noble gases can be separated by adsorption on coconut, a charcoal at different temperatures.
(ii) Adsorption indicators: Surfaces of certain precipitates such as silver halides have the property of adsorbing some dyes like eosin, fluorescein, and so produce a characteristic colour at end point.
(iii) Chromatographic analysis: It is based on the phenomenon of adsorption and has a number of applications in analytical and industrial fields.
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