Acid-Base Equilibria and Definitions Quiz

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Questions and Answers

According to the Brønsted-Lowry acid-base definition, an acid is a substance that

  • donates a proton (correct)
  • increases the concentration of hydrogen ions when dissolved in water
  • accepts a proton
  • increases the concentration of hydroxide ions when dissolved in water

According to the Brønsted-Lowry acid-base definition, a base is a substance that

  • accepts a proton (correct)
  • increases the concentration of hydrogen ions when dissolved in water
  • donates a proton
  • increases the concentration of hydroxide ions when dissolved in water

Which of the following is NOT a requirement for a substance to be considered a Brønsted-Lowry acid?

  • Increases the concentration of hydrogen ions when dissolved in water
  • Increases the concentration of hydroxide ions when dissolved in water (correct)
  • Donates a proton
  • Accepts a proton

Which of the following is NOT a requirement for a substance to be considered a Brønsted-Lowry base?

<p>Increases the concentration of hydrogen ions when dissolved in water (A)</p> Signup and view all the answers

Which acid-base definition requires both a proton donor and a proton acceptor?

<p>Brønsted-Lowry (B)</p> Signup and view all the answers

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Study Notes

Brønsted-Lowry Acid-Base Definition

  • An acid is a substance that donates a proton (H+).
  • A base is a substance that accepts a proton (H+).

Requirements for Brønsted-Lowry Acids and Bases

  • A Brønsted-Lowry acid must donate a proton (H+).
  • A Brønsted-Lowry base must accept a proton (H+).
  • The substance that does not involve proton donation or acceptance is NOT a Brønsted-Lowry acid or base.

Brønsted-Lowry Acid-Base Definition Requirements

  • The Brønsted-Lowry acid-base definition requires both a proton donor (acid) and a proton acceptor (base).

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