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The exhausted anion exchange column is regenerated by passing a solution of ____________

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in Engineering Chemistry I by (506k points)
The exhausted anion exchange column is regenerated by passing a solution of ____________

(a) Dil. KOH

(b) Conc. KOH

(c) Conc. NaOH

(d) Dil. NaOH

This question was posed to me in a national level competition.

My enquiry is from Ion-Exchange Resins in section Polymers of Engineering Chemistry I

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Best answer
Right option is (d) Dil. NaOH

To elaborate: By passing a solution of dil. NaOH, the exhausted anion exchange column is regenerated.

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