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Shapes of Molecules MCQ2
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Shapes of Molecules MCQ2

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Questions and Answers

What is the primary principle that governs the arrangement of electron pairs around a central atom?

  • The need to achieve a high degree of symmetry
  • Electron Pair Repulsion (correct)
  • The tendency to form polar bonds
  • The geometric constraint of the central atom

    • Which of the following types of electron pairs has the strongest repulsion?

  • Lone pair - bond pair
  • Lone pair - lone pair (correct)
  • Bond pair - bond pair
  • Bond pair - electron in a d-subshell

    • What is the condition necessary for a molecule with polar bonds to be non-polar overall?

  • The molecule has a trigonal planar shape
  • The molecule has only bond pairs
  • The molecule has a high degree of symmetry (correct)
  • The molecule has a geometric centre

    • What is the term for the separated centres of charge in a molecule?

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

    What is the minimum number of atoms required for a tetrahedral shape?

    <p>5</p> Signup and view all the answers

    What is the arrangement of electron pairs in a molecule with a high degree of symmetry?

    <p>Trigonal Planar</p> Signup and view all the answers

    What is the order of repulsion strength between electron pairs in a molecule?

    <p>lp : lp &gt; lp : bp &gt; bp : bp</p> Signup and view all the answers

    Which of the following shapes can have a molecule with polar bonds but be non-polar overall?

    <p>Trigonal Planar</p> Signup and view all the answers

    What is the minimum number of atoms required for a V-shaped molecule?

    <p>3</p> Signup and view all the answers

    What is the geometric arrangement of electron pairs in a linear molecule?

    <p>Electron pairs arrange themselves as far apart as geometrically possible</p> Signup and view all the answers

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