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 (C)</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 (C)</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 (B)</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 (B)</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 (A)</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 (C)</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 (B)</p> Signup and view all the answers

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