Trigonal Pyramidal Geometry of Ammonia Molecule Quiz
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Questions and Answers

Which type of orbitals tend to concentrate toward electropositive groups?

  • Pi orbitals
  • Sigma orbitals (correct)
  • d orbitals
  • f orbitals
  • Where do orbitals with pi character tend to concentrate?

  • Toward electropositive groups
  • Toward electronegative groups (correct)
  • In the central atom
  • Away from the molecule
  • How many lone pairs are present in a molecule with trigonal bipyramidal geometry?

  • Zero (correct)
  • One
  • Three
  • Two
  • What is the main purpose of applying the rules mentioned in the text regarding orbitals?

    <p>To predict bond angle between atoms</p> Signup and view all the answers

    Which theory is sometimes used as an alternative to VSEPR Theory for determining molecular geometries?

    <p>Hybridization Theory</p> Signup and view all the answers

    Why does VSEPR Theory struggle with isoelectronic species like I-F and Te-F?

    <p>Size difference leading to different shapes</p> Signup and view all the answers

    In transition metals, what is the term used for non-bonded pairs of electrons that do not influence a compound's geometry?

    <p>Inactive pairs</p> Signup and view all the answers

    What property of substituent groups or lone pairs does VSEPR Theory not consider for transition metals?

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

    Which type of geometry do VSEPR Theory and Hybridization Theory typically agree on?

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

    What leads to different shapes for isoelectronic species according to VSEPR Theory?

    <p>Different bond lengths</p> Signup and view all the answers

    What is a limitation of VSEPR Theory with respect to isoelectronic species like I-F and Te-F?

    <p>VSEPR Theory overlooks the difference in bond lengths between different atoms in isoelectronic species.</p> Signup and view all the answers

    Why does VSEPR Theory not consider the size of substituent groups or inactive lone pairs in transition metals?

    <p>Inactive lone pairs have no impact on the overall geometry of a compound.</p> Signup and view all the answers

    In trigonal bipyramidal geometry, how many lone pairs are typically present?

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

    Where do orbitals with sigma character tend to concentrate?

    <p>Toward electropositive groups</p> Signup and view all the answers

    What is the main purpose of applying the rules mentioned in the text regarding orbitals?

    <p>To estimate bond angle in molecules</p> Signup and view all the answers

    Why does VSEPR Theory predict pentagonal bipyramidal geometry for isoelectronic species like I-F and Te-F despite their different shapes?

    <p>VSEPR Theory incorrectly assumes that all bond lengths are equal regardless of differences in atoms.</p> Signup and view all the answers

    When discussing trigonal bipyramidal geometry, what do orbitals with pi character tend to concentrate toward?

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

    Which aspect of molecules do VSEPR Theory and Hybridization Theory typically disagree on?

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

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