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Type: Multiple-Choice
Category: Kinetics and Equilibrium
Level: Grade 12
Tags: Volumetric analysis
Author: radiance
Last Modified: 7 years ago

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Kinetics and Equilibrium Question

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Grade 12 Kinetics and Equilibrium

Consider the equilibrium reaction of acid indicator HIn:

HIn [math]harr[/math] [math]H^(+)[/math] + [math]In^(-)[/math]

[math]K_(In)[/math] = Ionization constant of the indicator

Which of the following represents a correctly written expression to calculate the concentration of hydrogen ions?
  1. [math][H^(+)] = K_(In) [/math] [Acid form]
  2. [math][H^(+)] = K_(In) [/math] [Acid form]/[Basic form]
  3. [math][H^(+)] = K_(In) [/math] [Basic form]/[Acid form]
  4. [math][H^(+)] = K_(In) [/math] [Basic form]
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