Molecular Shapes and Electron Arrangement

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Questions and Answers

What is the electron group arrangement for a molecule with a linear shape and an angle of 180 degrees?

Octahedral
Trigonal planar
Linear (correct)
Tetrahedral

What is the molecular shape associated with a trigonal planar electron group arrangement?

Tetrahedral
Linear
Bent or V-shaped
Trigonal planar (correct)

What molecular shape corresponds to a trigonal planar electron group arrangement with an angle less than 120 degrees?

Tetrahedral
Bent or V-shaped (correct)
Trigonal planar
Linear

What is the molecular shape of a tetrahedral electron group arrangement with a bond angle of 109.5 degrees?

Tetrahedral (D) Signup and view all the answers

What molecular shape is associated with a tetrahedral electron group arrangement and a bond angle less than 109.5 degrees?

Bent or V-shaped (A) Signup and view all the answers

What is the molecular shape of a trigonal pyramidal electron group arrangement?

Trigonal pyramidal (D) Signup and view all the answers

What is the molecular shape of a trigonal bipyramidal electron group arrangement?

Trigonal bipyramidal (C) Signup and view all the answers

What molecular shape corresponds to a trigonal bipyramidal electron group arrangement with a bond angle less than 90 degrees?

T-shaped (D) Signup and view all the answers

What is the molecular shape associated with an octahedral electron group arrangement and a bond angle of 90 degrees?

Octahedral (C) Signup and view all the answers

What molecular shape corresponds to an octahedral electron group arrangement with a bond angle less than 90 degrees?

Square pyramidal (A) Signup and view all the answers

What is the molecular shape associated with an octahedral electron group arrangement with a bond angle of 90 degrees?

Square planar (D) Signup and view all the answers

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Study Notes

Electron Group Arrangements and Molecular Shapes

Linear Arrangement
- Electron group arrangement: Linear
- Molecular shape: Linear
- Bond angle: 180 degrees
Trigonal Planar Arrangement
- Electron group arrangement: Trigonal planar
- Molecular shape: Trigonal planar
- Bond angle: 120 degrees
Bent or V-shaped from Trigonal Planar
- Electron group arrangement: Trigonal planar
- Molecular shape: Bent or V-shaped
- Bond angle: Less than 120 degrees
Tetrahedral Arrangement
- Electron group arrangement: Tetrahedral
- Molecular shape: Tetrahedral
- Bond angle: 109.5 degrees
V-shaped or Bent from Tetrahedral
- Electron group arrangement: Tetrahedral
- Molecular shape: V-shaped or bent
- Bond angle: Less than 109.5 degrees
Trigonal Pyramidal from Tetrahedral
- Electron group arrangement: Tetrahedral
- Molecular shape: Trigonal pyramidal
- Bond angle: Less than 109.5 degrees
Trigonal Bipyramidal Arrangement
- Electron group arrangement: Trigonal bipyramidal
- Molecular shape: Trigonal bipyramidal
- Bond angles: 120 degrees and 90 degrees
Seesaw Shape from Trigonal Bipyramidal
- Electron group arrangement: Trigonal bipyramidal
- Molecular shape: Seesaw
- Features an asymmetrical arrangement.
T-shaped from Trigonal Bipyramidal
- Electron group arrangement: Trigonal bipyramidal
- Molecular shape: T-shaped
- Bond angle: Less than 90 degrees
Linear Shape from Trigonal Bipyramidal
- Electron group arrangement: Trigonal bipyramidal
- Molecular shape: Linear
- Bond angle: 180 degrees
Octahedral Arrangement
- Electron group arrangement: Octahedral
- Molecular shape: Octahedral
- Bond angle: 90 degrees
Square Pyramidal from Octahedral
- Electron group arrangement: Octahedral
- Molecular shape: Square pyramidal
- Bond angle: Less than 90 degrees
Square Planar from Octahedral
- Electron group arrangement: Octahedral
- Molecular shape: Square planar
- Bond angle: 90 degrees

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