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What is the shape of a molecule with 5 bonding pairs and 1 lone pair?

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Question: What is the shape of a molecule with 5 bonding pairs and 1 lone pair?

Options:

  1. Octahedral
  2. Square Pyramidal
  3. Trigonal Bipyramidal
  4. Tetrahedral

Correct Answer: Square Pyramidal

Solution:

With 5 bonding pairs and 1 lone pair, the molecular shape is square pyramidal.

What is the shape of a molecule with 5 bonding pairs and 1 lone pair?

Practice Questions

Q1
What is the shape of a molecule with 5 bonding pairs and 1 lone pair?
  1. Octahedral
  2. Square Pyramidal
  3. Trigonal Bipyramidal
  4. Tetrahedral

Questions & Step-by-Step Solutions

What is the shape of a molecule with 5 bonding pairs and 1 lone pair?
  • Step 1: Understand that a molecule can have bonding pairs (shared electrons) and lone pairs (unshared electrons).
  • Step 2: Identify that there are 5 bonding pairs in this molecule.
  • Step 3: Recognize that there is 1 lone pair in this molecule.
  • Step 4: Use the VSEPR theory (Valence Shell Electron Pair Repulsion) to determine the shape based on the number of bonding and lone pairs.
  • Step 5: Note that 5 bonding pairs and 1 lone pair create a specific arrangement.
  • Step 6: Visualize the arrangement: the 5 bonding pairs form a base shape, and the lone pair affects the overall shape.
  • Step 7: Conclude that the molecular shape is square pyramidal, where the lone pair is positioned above the square base formed by the 5 bonding pairs.
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