Lewis Acids and Bases Quiz
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Questions and Answers

Which of the following best describes a Lewis acid?

  • A chemical species that readily donates its lone pair of electrons
  • A chemical species that forms a dative bond with a Lewis base
  • A chemical species with an empty orbital capable of accepting an electron pair from a Lewis base (correct)
  • A chemical species with a filled orbital capable of donating an electron pair to a Lewis base
  • Which of the following is an example of a Lewis base?

  • CH4
  • NH3 (correct)
  • HCl
  • H2O
  • In the context of a specific chemical reaction between NH3 and Me3B, what is formed?

  • Me3B NH3
  • Me3NH3
  • NH3Me3
  • NH3 BMe3 (correct)
  • What type of bond is formed in a Lewis adduct?

    <p>Dative bond</p> Signup and view all the answers

    How are the terms nucleophile and electrophile related to Lewis acids and bases?

    <p>They are more or less interchangeable</p> Signup and view all the answers

    Study Notes

    Lewis Acids and Bases

    • A Lewis acid is a species that accepts a pair of electrons to form a covalent bond.
    • A Lewis base is a species that donates a pair of electrons to form a covalent bond.

    Formation of Lewis Adducts

    • In the reaction between NH3 and Me3B, a Lewis adduct is formed.
    • A Lewis adduct is a compound that results from the formation of a covalent bond between a Lewis acid and a Lewis base.

    Bonding in Lewis Adducts

    • The bond formed in a Lewis adduct is a covalent bond, resulting from the sharing of a pair of electrons between the Lewis acid and Lewis base.

    Nucleophiles and Electrophiles

    • A Lewis base can also be referred to as a nucleophile, as it donates a pair of electrons to form a covalent bond.
    • A Lewis acid can also be referred to as an electrophile, as it accepts a pair of electrons to form a covalent bond.
    • The terms nucleophile and electrophile are related to Lewis acids and bases, as they describe the electron-donating and electron-accepting properties of these species.

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    Description

    Test your knowledge of Lewis acids and bases with this quiz. Explore the concepts of empty orbitals, electron pairs, dative bonds, and Lewis adducts.

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