During a column chromatography through $A l_{2} O_{3}$ column, a mixture of components A, B and C is passed through the column. On adding eluant, compound 'A' is eluted first then 'B' and in the end 'C'. Which of the following statements is correct?

The order of adsorption of A, B and C is C > B > A.

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The order of adsorption of A, B and C is A > B > C.

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The order of adsorption of A, B and C is B > A > C.

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The order of adsorption of A, B and C is B > C > A.

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Solution

The correct option is A The order of adsorption of A, B and C is C > B > A.
Since 'A' compound comes out before 'B', 'B' is more readily adsorbed to the column and 'B' comes out before 'C', hence 'C' is more readily adsorbed than 'B'. Hence, order of adsorption is C>B>A.

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During a column chromatography through Al2O3 column, a mixture of components A, B and C is passed through the column. On adding eluant, compound 'A' is eluted first then 'B' and in the end 'C'. Which of the following statements is correct?

The correct option is A The order of adsorption of A, B and C is C > B > A.Since 'A' compound comes out before 'B', 'B' is more readily adsorbed to the column and 'B' comes out before 'C', hence 'C' is more readily adsorbed than 'B'. Hence, order of adsorption is C>B>A.

During a column chromatography through $A l_{2} O_{3}$ column, a mixture of components A, B and C is passed through the column. On adding eluant, compound 'A' is eluted first then 'B' and in the end 'C'. Which of the following statements is correct?

The correct option is A The order of adsorption of A, B and C is C > B > A.
Since 'A' compound comes out before 'B', 'B' is more readily adsorbed to the column and 'B' comes out before 'C', hence 'C' is more readily adsorbed than 'B'. Hence, order of adsorption is C>B>A.