Chemistry: Acids and Bases - Chapter 11
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Questions and Answers

According to the Arrhenius definitions, an acid is a substance that produces which ion when dissolved in water?

  • Sulfate ion (SO4^2-)
  • Nitrate ion (NO3-)
  • Hydroxide ion (OH-)
  • Hydrogen ion (H+) (correct)
  • What is the main contribution for which Svante Arrhenius won the Nobel Prize in Chemistry?

  • Definition of salts
  • Discovery of hydroxide ions
  • Introduction of the Brønsted-Lowry definitions
  • Understanding of ions in salt solutions (correct)
  • In Arrhenius' doctoral thesis, what revolutionary idea did he propose about salt solutions and their ability to conduct electricity?

  • Salts dissociate into hydrogen ions and oxygen ions
  • Salts dissociate into anions and cations (correct)
  • Salts dissociate into positive and negative ions
  • Salts dissociate into metallic ions and non-metallic ions
  • What was considered 'outrageous' about Arrhenius' idea on electricity conduction in salt solutions when he proposed it in 1884?

    <p>The concept of anions and cations</p> Signup and view all the answers

    What is the main difference between Brønsted-Lowry acids/bases definitions and Arrhenius definitions?

    <p>The consideration of hydrogen ions in acids</p> Signup and view all the answers

    According to the Brønsted-Lowry theory, what does a Brønsted-Lowry base do?

    <p>Accepts a hydrogen ion</p> Signup and view all the answers

    How does the Brønsted-Lowry acid-base theory differ from the Arrhenius theory?

    <p>Brønsted-Lowry bases are also Arrhenius bases</p> Signup and view all the answers

    What determines if an acid or base is classified as strong or weak?

    <p>The degree of ionization in water</p> Signup and view all the answers

    In terms of the Brønsted-Lowry theory, what distinguishes an organic acid from an inorganic acid?

    <p>The presence of carbon-hydrogen bonds in the acid</p> Signup and view all the answers

    How do strong acids and bases differ from weak acids and bases?

    <p>Strong acids and bases are fully ionized in water</p> Signup and view all the answers

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