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Alkanes Quiz
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Alkanes Quiz

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Questions and Answers

What is the general formula for alkanes?

  • CnH2n+2 (correct)
  • CnH2n
  • CnHn+2
  • CnHn
  • What does the prefix 'iso-' indicate in the context of alkanes?

  • Branched alkanes
  • 2-methyl alkanes (correct)
  • 3-methyl alkanes
  • Unsaturated alkanes
  • What is the method of nomenclature for alkanes called?

  • Systematic nomenclature (IUPAC nomenclature) (correct)
  • Traditional nomenclature
  • Common nomenclature
  • Alkane naming convention
  • What happens when a hydrogen is replaced by an OH in an alkane?

    <p>The compound becomes an alcohol</p> Signup and view all the answers

    How does the number of constitutional isomers change as the number of carbons in alkanes increases?

    <p>Increases rapidly</p> Signup and view all the answers

    What is the general formula for alkanes?

    <p>CnH2n+2</p> Signup and view all the answers

    What does the prefix 'iso-' indicate in the context of alkanes?

    <p>2-methyl alkanes</p> Signup and view all the answers

    What does replacing the 'ane' ending of an alkane with 'yl' result in?

    <p>An alkyl substituent</p> Signup and view all the answers

    What happens to the number of constitutional isomers as the number of carbons in alkanes increases?

    <p>Increases rapidly</p> Signup and view all the answers

    What letter is commonly used to indicate any alkyl group?

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

    What is the general formula for alkanes?

    <p>CnH2n+2</p> Signup and view all the answers

    What does the prefix 'iso-' indicate in the context of alkanes?

    <p>2-methyl alkanes</p> Signup and view all the answers

    What is the method of nomenclature for alkanes called?

    <p>Systematic nomenclature (IUPAC nomenclature)</p> Signup and view all the answers

    What happens when a hydrogen is replaced by an OH in an alkane?

    <p>The compound becomes an alcohol</p> Signup and view all the answers

    How does the number of constitutional isomers change as the number of carbons in alkanes increases?

    <p>Increases rapidly</p> Signup and view all the answers

    Study Notes

    Alkanes

    • The general formula for alkanes is CnH2n+2.

    Nomenclature of Alkanes

    • The method of nomenclature for alkanes is called the IUPAC (International Union of Pure and Applied Chemistry) system.

    Prefix 'iso-'

    • The prefix 'iso-' indicates a branch in the hydrocarbon chain.

    Replacing Hydrogen with OH

    • When a hydrogen is replaced by an OH in an alkane, it forms an alcohol.

    Constitutional Isomers

    • The number of constitutional isomers increases rapidly as the number of carbons in alkanes increases.

    Alkyl Groups

    • The letter 'R' is commonly used to indicate any alkyl group.

    Functional Groups

    • Replacing the 'ane' ending of an alkane with 'yl' results in an alkyl halide functional group.

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    Description

    Test your knowledge of organic compounds with this quiz on alkanes. Learn about nomenclature, physical properties, and the representation of structure. Explore the different types of hydrocarbons and their constitutional isomers.

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