Exploring Homologous Series in Organic Chemistry Quiz
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Questions and Answers

Which compound belongs to a homologous series?

  • A compound with no functional group
  • A compound with the same functional group but different chemical properties
  • A compound with completely different functional group and chemical properties
  • A compound with the same functional group and similar chemical properties as other members of the series (correct)

    • What defines compounds within a homologous series?

  • A fixed set of functional groups giving them similar chemical and physical properties (correct)
  • No fixed functional groups, resulting in random chemical and physical properties
  • A single functional group with identical chemical but different physical properties
  • A wide variety of functional groups giving them diverse chemical and physical properties

    • What did Charles Gerhardt propose in 1843?

  • The naming of functional groups
  • The classification of alkanes
  • The concept of chemical families
  • The concept of homologous series (correct)

    • How do the properties of compounds in a homologous series typically change?

    <p>Gradually along the series, often explained by differences in molecular size and mass</p> Signup and view all the answers

    When is a collection of compounds better called a 'chemical family' or 'class of homologous compounds'?

    <p>When the members cannot be arranged in a linear order by a single parameter</p> Signup and view all the answers

    Study Notes

    Homologous Series

    • A compound belongs to a homologous series if it has the same functional group and similar chemical properties, but differs from others in the series by a –CH2– group.
    • Compounds within a homologous series are defined by having the same functional group, same chemical properties, and differing only by a –CH2– group.
    • In 1843, Charles Gerhardt proposed the concept of homologous series.

    Properties of Compounds in a Homologous Series

    • The properties of compounds in a homologous series typically change in a gradual and predictable manner as the molecular formula changes.

    Chemical Family

    • A collection of compounds is better called a 'chemical family' or 'class of homologous compounds' when they share the same functional group and similar chemical properties.

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    Description

    Test your knowledge of organic chemistry with this quiz on homologous series! Explore the concept of compounds with the same functional group and similar properties, and their variations in molecular formula and mass.

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