Pharmaceutical Analysis 1: Acid-Base Titration and Trimeteric Analysis
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Questions and Answers

What is the term for the point in titration where the amount of standard is equal to the amount of analyte?

  • Equivalence point (correct)
  • Standard point
  • Titration point
  • Endpoint
  • Why are secondary standards used in titration?

  • Because they are more pure than primary standards
  • Because few compounds can meet the criteria for primary standards (correct)
  • Because they are easier to prepare than primary standards
  • Because they are less expensive than primary standards
  • What is the primary standard in titration?

  • A purified compound that is used as a reference (correct)
  • A highly corrosive substance
  • A reagent of unknown concentration
  • A substance that is highly reactive
  • What is the ideal property of a standard solution for titrometric analysis?

    <p>It is stable and reacts rapidly with the analyte</p> Signup and view all the answers

    What is the main purpose of back titration?

    <p>To add an excess of the standard solution and then determine the excess amount</p> Signup and view all the answers

    What is calculated by dividing the mass of a substance by its molar mass?

    <p>Amount of moles</p> Signup and view all the answers

    What is the most important characteristic of a substance to be used as a primary standard?

    <p>High purity</p> Signup and view all the answers

    What is the difference between molar concentration and normal concentration?

    <p>Molar concentration is the number of moles of reagent, while normal concentration is the number of equivalents of reagent</p> Signup and view all the answers

    What is the difference between volumetric and coulometric titration?

    <p>Volumetric titration measures the volume of the analyte, while coulometric titration measures the quantity of charge</p> Signup and view all the answers

    What is the endpoint in a titration reaction?

    <p>The physical change that denotes chemical equivalence</p> Signup and view all the answers

    What is the purpose of a standard solution in titrometric analysis?

    <p>To determine the concentration of the analyte</p> Signup and view all the answers

    What is the purpose of a standard solution in titration?

    <p>To react with the analyte to determine its concentration</p> Signup and view all the answers

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