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NEETChemistryHydrogen

How is the synthetic cation exchange resin regenerated for further use?

Options

  1. ABy heating it to a high temperature
  2. BBy treating it with an aqueous NaCl solution
  3. CBy adding more resin to it
  4. DBy filtering it

Correct answer

B. By treating it with an aqueous NaCl solution

Step-by-step solution

The synthetic cation exchange resin can be regenerated for further use by treating it with an aqueous sodium chloride (NaCl) solution, which replaces the adsorbed calcium and magnesium ions with sodium ions.

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