molecular structure and polarity
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Questions and Answers

In a trigonal bipyramidal electron-pair geometry, how many distinct positions are there?

  • Four
  • One
  • Two (correct)
  • Three
  • What are the bond angles surrounding the axial position in a trigonal bipyramidal electron-pair geometry?

  • 60°
  • 90° (correct)
  • 180°
  • 120°
  • Why do lone pairs in a trigonal bipyramidal electron-pair geometry occupy equatorial positions?

  • To form stronger bonds
  • To minimize repulsions with other electrons (correct)
  • To increase bond angles
  • To stabilize the molecule
  • How many possible arrangements are theoretically possible for the three bonds and two lone pairs in the ClF3 molecule?

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

    In an octahedral electron-pair geometry, how many bonding regions does the central atom have?

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

    Where are the two lone pairs positioned in an octahedral electron-pair geometry?

    <p>180° apart</p> Signup and view all the answers

    What is the molecular structure observed for ClF3?

    <p>T-shaped</p> Signup and view all the answers

    How many total regions of electron density qualify as one region in VSEPR theory?

    <p>'A double or triple bond'</p> Signup and view all the answers

    What is the shape of the central atom with four bonding regions and 2 lone pairs?

    <p>Square planar</p> Signup and view all the answers

    Where are the lone pairs positioned in a trigonal bipyramidal electron-pair geometry?

    <p>Equatorial positions only</p> Signup and view all the answers

    How many bond angles of 90° surround the axial position in a trigonal bipyramidal electron-pair geometry?

    <p>2</p> Signup and view all the answers

    What is the stable molecular structure observed for ClF3?

    <p>T-shaped</p> Signup and view all the answers

    In an octahedral electron-pair geometry, how many regions of electron density are around the central atom?

    <p>6</p> Signup and view all the answers

    What is the molecular structure observed for a central atom with two lone electron pairs and four bonding regions?

    <p>Square planar</p> Signup and view all the answers

    How many distinct axial positions are there in a trigonal bipyramidal electron-pair geometry?

    <p>2</p> Signup and view all the answers

    What is the shape of the molecule in ClF3 due to the larger lone pairs both occupying equatorial positions?

    <p>T-shaped</p> Signup and view all the answers

    Why do lone pairs in a trigonal bipyramidal electron-pair geometry occupy equatorial positions?

    <p>To accommodate the larger lone pairs more easily due to the spacious equatorial positions.</p> Signup and view all the answers

    How many distinct axial positions are there in a trigonal bipyramidal electron-pair geometry?

    <p>Two distinct axial positions.</p> Signup and view all the answers

    What is the shape of the molecule in ClF3 due to the larger lone pairs both occupying equatorial positions?

    <p>T-shaped molecular structure.</p> Signup and view all the answers

    What is the stable molecular structure observed for ClF3?

    <p>T-shaped molecular structure.</p> Signup and view all the answers

    What is the shape of the central atom with four bonding regions and 2 lone pairs?

    <p>Square planar molecular structure.</p> Signup and view all the answers

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