Questions and Answers
Describe electron geometry vs molecular geometry.
Electron geometry describes the arrangement of electron groups. Molecular geometry describes the arrangement of atoms, excluding lone pairs.
What is the Electron Geometry of PCl5? What is its Molecular Geometry?
Electron Geometry of PCl5 is Trigonal Bipyramidal. Molecular Geometry of PCl5 is Trigonal Bipyramidal.
What is the Electron Geometry of SF4? What is its Molecular Geometry?
Electron Geometry of SF4 is Trigonal Bipyramidal. Molecular Geometry of SF4 is See-saw.
What is the Electron Geometry of ClF3? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of I3-? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of SF6? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of BrF5? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of XeF4? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of SbCl5(2-)? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of TeCl4? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of PF6-? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of PF5? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of XeF2? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of BrF3? What is its Molecular Geometry?
Signup and view all the answers
What is the Electron Geometry of ICl4-? What is its Molecular Geometry?
Signup and view all the answers
What are the bond angles for Linear?
Signup and view all the answers
What are the bond angles for Trigonal Planar and Bent?
Signup and view all the answers
What are the bond angles for Tetrahedral, Trigonal Pyramidal, and Bent?
Signup and view all the answers
What are the bond angles for Trigonal Bipyramidal, See-saw, T-structure, and Linear?
Signup and view all the answers
What are the bond angles for Octahedral, Square Pyramidal, and Square Planar?
Signup and view all the answers
What type of hybridization does a Carbon atom in an alkane have?
Signup and view all the answers
In sp3 hybridization, the hybrid molecular orbitals have ________ s character and _______ p character.
Signup and view all the answers
A ____ bond can form using hybridized orbitals, whereas a ____ bond must use a non-hybridized p-orbital.
Signup and view all the answers
Which of the following examples WOULD have sp3 hybridization?
Signup and view all the answers
Study Notes
Electron Geometry vs Molecular Geometry
- Electron geometry refers to the spatial arrangement of all electron groups in a molecule.
- Molecular geometry describes the arrangement of only the atoms in a molecule, excluding lone pairs.
Electron & Molecular Geometries for Common Compounds
-
PCl5:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: Trigonal Bipyramidal
-
SF4:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: See-saw
-
ClF3:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: T-shaped
-
I3-:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: Linear
-
SF6:
- Electron Geometry: Octahedral
- Molecular Geometry: Octahedral
-
BrF5:
- Electron Geometry: Octahedral
- Molecular Geometry: Square Pyramidal
-
XeF4:
- Electron Geometry: Octahedral
- Molecular Geometry: Square Planar
-
SbCl5(2-):
- Electron Geometry: Octahedral
- Molecular Geometry: Square Pyramidal
-
TeCl4:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: See-saw
-
PF6-:
- Electron Geometry: Octahedral
- Molecular Geometry: Octahedral
-
PF5:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: Trigonal Bipyramidal
-
XeF2:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: Linear
-
BrF3:
- Electron Geometry: Trigonal Bipyramidal
- Molecular Geometry: T-shaped
-
ICl4-:
- Electron Geometry: Octahedral
- Molecular Geometry: Square Planar
Bond Angles
- Linear: 180°
- Trigonal Planar: 120°
- Bent: Less than 120° in Trigonal Planar; about 104.5° in Tetrahedral
- Tetrahedral: 109.5°
- Trigonal Bipyramidal: 120° (equatorial), 90° (axial)
- See-saw: Varies depending on specific placement, with angles around 120° and 90°
- T-shaped: Approximately 90°
- Octahedral: 90°
- Square Pyramidal: Approximately 90°
- Square Planar: 90°
Hybridization
- In alkanes, carbon typically exhibits sp3 hybridization.
-
sp3 Hybridization characteristics:
- Orbital composition: 25% s character and 75% p character
- A σ bond can form through hybridized orbitals, while a π bond is formed using unhybridized p orbitals.
- T-butyl central carbon exemplifies sp3 hybridization, possessing four sp3 hybrid orbitals.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Explore the key concepts of electron geometry and molecular geometry in this insightful quiz. Learn to distinguish between the two geometries and understand their implications in chemical bonding using examples like PCl5. Perfect for chemistry students looking to solidify their understanding!
