Titration Methods in Chemistry
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Questions and Answers

What is the purpose of an indicator in a titration?

  • Neutralize the analyte
  • React with the titrand
  • Stabilize the solution
  • Produce a physical change to detect end point (correct)
  • Why are weak acids and bases never used as standard reagents in acid-base titrations?

  • They are toxic
  • They are unstable
  • They react incompletely with analytes (correct)
  • They are too expensive
  • Which type of titration method is based on complex formation between metal ions and ligands?

  • Precipitation titration
  • Complexometric titration (correct)
  • Neutralization titration
  • Oxidation-reduction titration
  • What is the coordination number for Copper (II) in its complexes?

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

    What type of ligand has two groups available for covalent bonding?

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

    Which compound is a widely used complexometric titrant due to its hexadentate ligand property?

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

    What is the purpose of titration methods?

    <p>To measure the quantity of an unknown analyte using a known reagent</p> Signup and view all the answers

    What is the purpose of back-titration?

    <p>To measure the excess of standard solution left after reacting with the analyte</p> Signup and view all the answers

    What is the significance of the equivalence point in titration?

    <p>It is when a physical change occurs indicating chemical equivalence</p> Signup and view all the answers

    What defines an analyte in titration methods?

    <p>A solution with unknown concentration but known volume</p> Signup and view all the answers

    In volumetric titrations, what is the role of the titrant?

    <p>It is a standard solution of known concentration used to react with the analyte</p> Signup and view all the answers

    How is an end point different from an equivalence point in titration?

    <p>The end point marks when a physical change occurs, while the equivalence point indicates chemical equivalence.</p> Signup and view all the answers

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