Organic Chemistry - Hybridization Concepts
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Questions and Answers

What is the bond angle between the two sp hybrid orbitals in ethyne?

  • 109.5°
  • 90°
  • 120°
  • 180° (correct)
  • The triple bond in ethyne is composed of two sigma bonds and one pi bond.

    False

    What types of orbitals combine to form sp hybrid orbitals?

    One s orbital and one p orbital

    Each sp hybrid orbital has ______% s-character and ______% p-character.

    <p>50, 50</p> Signup and view all the answers

    Match the following types of bonds with their correct description:

    <p>Sigma bond = Formed by the overlap of sp hybrid orbitals Pi bond = Formed by the sideways overlap of p orbitals</p> Signup and view all the answers

    What is catenation?

    <p>The ability of an atom to bond with other atoms of the same element to form long chains</p> Signup and view all the answers

    Carbon's ground state electronic configuration is 1s22s12p3.

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

    What two types of outer shell electrons does carbon have in its ground state?

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

    The process of averaging out energy levels is called ______

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

    Match the following descriptions with the associated terms:

    <p>Catenation = The ability of an atom to bond with other atoms of the same element Ground State = The lowest energy state of an atom Hybridization = The process of averaging out energy levels of atomic orbitals Excited state = When an electron moves to a higher energy level</p> Signup and view all the answers

    What is the spatial arrangement of sp³ hybrid orbitals around a central atom?

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

    In ethene, the carbon atoms are sp³ hybridized.

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

    What type of bond results from the head-on overlap of two sp² orbitals?

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

    Each sp³ hybrid orbital has ______ s-character.

    <p>25%</p> Signup and view all the answers

    What type of bond is formed by the sideways overlap of two p orbitals?

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

    Match the following molecules with their specific hybridization of the central carbon atom.

    <p>Methane = sp³ Ethene = sp²</p> Signup and view all the answers

    The unhybridized p orbital in an sp² hybridized atom lies in the same plane as the sp² orbitals.

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

    What is the approximate bond angle in methane?

    <p>109.5°</p> Signup and view all the answers

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