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Arrange the following compounds in order of their increasing adsorption tendencies.

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Arrange the following compounds in order of their increasing adsorption tendencies.

(a) Cellulose >> starch >> calcium carbonate >> alumina

(b) Cellulose >> starch >> alumina >> charcoal

(c) Charcoal >> cellulose >> alumina >> starch

(d) Calcium carbonate >>; alumina >> starch >> cellulose

I had been asked this question in final exam.

This key question is from Column Chromatography in portion Methods of Purification of Engineering Chemistry I

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Right choice is (a) Cellulose >> starch >> calcium carbonate >> alumina

For explanation: Cellulose >> starch >> calcium carbonate >> charcoal >> alumina is the correct order of increasing adsorption tendencies.

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