Hyperconjugation in Organic Chemistry
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Hyperconjugation in Organic Chemistry

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Questions and Answers

Which type of orbitals are primarily involved in hyperconjugation?

  • Non-bonding p orbitals
  • Sigma (σ) orbitals (correct)
  • Pi (π) orbitals
  • Antibonding σ* orbitals

    • What is the term for the interaction between low-lying antibonding σ* orbitals and filled orbitals of lone pair character in hyperconjugation?

  • Resonance
  • Positive hyperconjugation
  • Delocalization
  • Negative hyperconjugation (correct)

    • What effect does hyperconjugation have on the stability of a molecule?

  • Decreases stability
  • Depends on the specific molecule
  • Increases stability (correct)
  • Has no effect on stability

    • Which type of bonds can have a direct stabilizing effect through hyperconjugation?

    <p>Sigma (σ) bonds</p> Signup and view all the answers

    What is another term for hyperconjugation?

    <p>No-bond resonance</p> Signup and view all the answers

    Which of the following best describes a nucleophilic substitution reaction?

    <p>A reaction in which a nucleophile replaces a functional group in an electron-rich molecule</p> Signup and view all the answers

    What is the role of the leaving group in a nucleophilic substitution reaction?

    <p>The leaving group departs with an electron pair</p> Signup and view all the answers

    Which of the following is true about the nucleophile in a nucleophilic substitution reaction?

    <p>The nucleophile can be either electrically neutral or negatively charged</p> Signup and view all the answers

    What is the principal product of a nucleophilic substitution reaction?

    <p>The nucleophile</p> Signup and view all the answers

    Which of the following is an example of a nucleophilic substitution reaction?

    <p>The hydrolysis of an alkyl bromide under acidic conditions</p> Signup and view all the answers

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