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The rapid change of pH near the stoichio...

The rapid change of pH near the stoichiometric point of an acid base titration is the basis of indicator detectio. pH of the solution is related to ratio of the concentrations of the conjugate acid (Hin) and base `(In^(-))` forms of the indicator given by the expression

A

`log.([In^(-)])/([HIn])=pK_(In)-pH`

B

`log.([HIn])/([In^(-)])=pK_(In)-pH`

C

`log.([HIn])/([In^(-)])=pH-pK_(In)`

D

`log.([In^(-)])/([HIn])=pH-pK_(In)`

Text Solution

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The correct Answer is:
D
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