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The Equilibrium Constant: Complex Ion Formation—ChemTopic™ Lab Activity

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For any reversible chemical reaction at equilibrium, the concentrations of all reactants and products are constant or stable with no further net change in the amounts of reactants and products unless the mixture is disturbed. The equilibrium constant provides a mathematical description of the position of equilibrium for any reversible chemical reaction. With The Equilibrium Constant: Complex Ion Formation—ChemTopic™ Lab Activity, calculate the equilibrium constant for the reaction of iron(III) ions with thiocyanate ions under different conditions to determine if the equilibrium constant always has the same numerical value.

Concepts

  • Chemical Equilibrium
  • Complex-Ion Reaction
  • Equilibrium Constant
  • Colorimetry