Question

the ion exchange equilibria can be explained on the basis of. (a) selectivity ratio (b) selectivity coefficient (c) Distribution coefficient (d) all the above​

Answer 1

selectivity coefficient

Answer 2

Option (b) Selectivity coefficient is the correct answer.

• When the exchange of ions happens between a solution and an insoluble solid that process is termed Ion exchange.
• An equilibrium state attains during the ion exchange between the resin phase and the solution.
• The selectivity coefficient acts as a constant for equilibrium.
• Such that when the selectivity coefficient is high it means that the preference for the ion by resin phase is also high.
• So, the equilibrium can be explained on the base of the selectivity coefficient.

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