Exploring the World of Bases
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Questions and Answers

Which definition of a base was proposed by Svante Arrhenius?

  • Arrhenius bases are metal hydroxides
  • Arrhenius bases dissociate in aqueous solution to form hydroxide ions (correct)
  • Arrhenius bases change the color of pH indicators
  • Arrhenius bases are substances that react with acids

    • What are the characteristic properties of aqueous hydroxide solutions?

  • They are slippery to the touch
  • They can taste bitter
  • They change the color of pH indicators
  • All of the above (correct)

    • What is the effect of bases on the autoionization equilibrium of water?

  • Bases increase the hydrogen ion activity in water
  • Bases completely inhibit the autoionization equilibrium of water
  • Bases decrease the hydrogen ion activity in water (correct)
  • Bases have no effect on the hydrogen ion activity in water

    • What is the chemical formula for sodium hydroxide?

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

    Which scientist proposed the definition of a base as a substance that reacts with acids?

    <p>G.-F. Rouelle</p> Signup and view all the answers

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