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 (A)</p> Signup and view all the answers

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

<p>Six (D)</p> Signup and view all the answers

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

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

What is the molecular structure observed for ClF3?

<p>T-shaped (C)</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' (C)</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 (C)</p> Signup and view all the answers

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

<p>Equatorial positions only (D)</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 (B)</p> Signup and view all the answers

What is the stable molecular structure observed for ClF3?

<p>T-shaped (A)</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 (B)</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 (D)</p> Signup and view all the answers

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

<p>2 (D)</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 (B)</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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