The rapid change of pH near the stocichiometric point of an acid-base titration is the basis
Channel: Doubtnut
Date: 2020-08-16

The rapid change of pH near the stocichiometric point of an acid-base titration is the basis of indicator detrection. pH of the solution is related to the ratio of concentration of conjugate acid (HIn) to the  concentration of base `(In^(-))` froms of the indicator by the expression