Aqueous Solutions and Chemical Equilibria
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Questions and Answers

Which type of electrolyte ionizes almost completely when dissolved in water?

  • Electrolytes that form ions slowly
  • Non-electrolytes
  • Strong electrolytes (correct)
  • Weak electrolytes
  • According to the Arrhenius theory, which of the following is considered as a base?

  • Source of hydrogen ion (H+)
  • Electron pair acceptor
  • Source of hydroxide ion (OH-) (correct)
  • Electron pair donor
  • What type of species are considered amphiprotic?

  • Species that have only basic properties
  • Species that have only acidic properties
  • Species that can act either as an acid or as a base (correct)
  • Species that cannot dissolve in water
  • Which theory defines an acid as a substance that acts as a proton donor?

    <p>Brønsted-Lowry theory</p> Signup and view all the answers

    What is the classic example of an amphiprotic solvent?

    <p>Water</p> Signup and view all the answers

    Which type of electrolyte ionizes only partially when dissolved in water?

    <p>Weak electrolytes</p> Signup and view all the answers

    What is autoprotolysis in the context of solvents?

    <p>The self-ionization of amphiprotic solvents</p> Signup and view all the answers

    Which state is achieved in chemical equilibrium?

    <p>A state where the ratio of reactants and products concentrations is constant</p> Signup and view all the answers

    What is the ion-product constant for water at room temperature?

    <p>$1.00 \times 10^{-14}$</p> Signup and view all the answers

    In dilute aqueous solutions, what can be considered as constant due to its enormous concentration compared to hydronium and hydroxide ions?

    <p>[H2O]</p> Signup and view all the answers

    What does Kw represent in the context of water chemistry?

    <p>Ion-product constant for water</p> Signup and view all the answers

    What does taking the negative logarithm of Kw allow us to determine?

    <p>Hydronium and hydroxide ion concentrations</p> Signup and view all the answers

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