Proton Transfer in Acids and Bases
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Questions and Answers

What is the role of acids in terms of proton transfer?

  • Proton acceptors
  • OH- ion producers
  • H+ ion producers (correct)
  • Proton donors
  • Which type of acids ionize completely in water?

  • Organic acids
  • Weak acids
  • Strong acids (correct)
  • Alkalis
  • What do bases (alkalis) do in terms of proton transfer?

  • OH- ion producers
  • Proton acceptors (correct)
  • H+ ion producers
  • Proton donors
  • Which of the following is a characteristic of strong bases?

    <p>Produce solutions of very high pH</p> Signup and view all the answers

    Which type of acids produce solutions with pH values closer to the middle of the pH scale?

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

    In the transfer of protons, what do weak bases produce when they ionize in solution?

    <p>OH- ions</p> Signup and view all the answers

    In basic conditions, what color does red litmus paper turn?

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

    What type of reaction occurs when an acid and a base react together?

    <p>Neutralisation reaction</p> Signup and view all the answers

    Which ion is responsible for making an aqueous solution of a base an alkali?

    <p>Hydroxide ions (OH-)</p> Signup and view all the answers

    What is produced when an alkali reacts with an ammonium salt?

    <p>Salt, water, and ammonia</p> Signup and view all the answers

    Which of the following is a characteristic property of bases?

    <p>Neutralizing acids to form salts and water</p> Signup and view all the answers

    What happens to litmus paper in basic conditions?

    <p>It turns blue</p> Signup and view all the answers

    In an equilibrium setup between molecules and ions in a solution of a weak acid or base, which direction does the equilibrium lie?

    <p>To the left, with a higher concentration of intact molecules</p> Signup and view all the answers

    What characterizes a concentrated solution of an acid or base?

    <p>High number of acid or base molecules per dm^3</p> Signup and view all the answers

    Which acid is considered weak based on the given examples?

    <p>Propanoic acid</p> Signup and view all the answers

    What happens to the equilibrium position if a weak base solution is diluted?

    <p>Shifts to the left, increasing intact base molecules</p> Signup and view all the answers

    Why can a dilute solution of HCl be more acidic than a concentrated solution of ethanoic acid?

    <p>Ethanoic acid does not dissociate completely in solution</p> Signup and view all the answers

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