Olefins and Nomenclature Quiz
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Questions and Answers

What is the bond angle in a molecule of an olefin with SP2 hybridization?

  • 109.5°
  • 180°
  • 120° (correct)
  • 90°

    • What is the general formula for olefins?

  • CnHn
  • CnH2n-2
  • CnH2n+2
  • CnH2n (correct)

    • How are substituents numbered in a chain containing a double bond in nomenclature?

  • Start numbering from the middle of the chain.
  • Start from the end that gives the double bond the highest possible number followed by substituents.
  • Substituents are not numbered in a chain containing a double bond.
  • Start from the end that gives the double bond the least possible number followed by substituents. (correct)

    • What are vinyl and allyl commonly encountered names for?

    <p>Unsaturated groups</p> Signup and view all the answers

    At what carbon atoms are the double bond carbons numbered in cycloalkenes?

    <p>1 &amp; 2</p> Signup and view all the answers

    What type of reaction is used for the synthesis of alkenes?

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

    Which mechanism is primarily involved in the dehydrohalogenation of alkyl halides?

    <p>E2 mechanism</p> Signup and view all the answers

    According to Zaitsev's rule, where is hydrogen typically eliminated from during an E2 elimination?

    <p>Less hydrogenated carbon (beta carbon)</p> Signup and view all the answers

    What is typically used to promote the dehydration of alcohols at high temperatures?

    <p>$H_2SO_4$</p> Signup and view all the answers

    What type of base is typically used to favor an E2 mechanism in dehydrohalogenation reactions?

    <p>Non-nucleophilic base</p> Signup and view all the answers

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