Podcast
Questions and Answers
What is the molecular geometry of SF4?
What is the molecular geometry of SF4?
seesaw
What is the molecular geometry of ClF3?
What is the molecular geometry of ClF3?
T-shape
What is the molecular geometry of [IF2]-?
What is the molecular geometry of [IF2]-?
linear
What is the molecular geometry of [IBr4]-?
What is the molecular geometry of [IBr4]-?
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What is the molecular geometry of BrF5?
What is the molecular geometry of BrF5?
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What is the molecular geometry of SCl6?
What is the molecular geometry of SCl6?
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What is the molecular geometry of PF5?
What is the molecular geometry of PF5?
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What is the molecular geometry of [IF4]+?
What is the molecular geometry of [IF4]+?
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What is the molecular geometry of C2H2?
What is the molecular geometry of C2H2?
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What is the molecular geometry of C2H4?
What is the molecular geometry of C2H4?
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What is the molecular geometry of C2H6?
What is the molecular geometry of C2H6?
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What is the approximate bond angle for a molecule with a trigonal planar shape?
What is the approximate bond angle for a molecule with a trigonal planar shape?
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What is the approximate bond angle for a molecule with a tetrahedral shape?
What is the approximate bond angle for a molecule with a tetrahedral shape?
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What is the electron geometry (eg) and molecular geometry (mg) of BCl3?
What is the electron geometry (eg) and molecular geometry (mg) of BCl3?
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What is the electron geometry (eg) and molecular geometry (mg) of CO32⁻?
What is the electron geometry (eg) and molecular geometry (mg) of CO32⁻?
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What is the electron geometry (eg) and molecular geometry (mg) of CH3+1?
What is the electron geometry (eg) and molecular geometry (mg) of CH3+1?
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What is the electron geometry (eg) and molecular geometry (mg) of SiF4?
What is the electron geometry (eg) and molecular geometry (mg) of SiF4?
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What is the electron geometry (eg) and molecular geometry (mg) of PF5?
What is the electron geometry (eg) and molecular geometry (mg) of PF5?
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What is the electron geometry (eg) and molecular geometry (mg) of BrF3?
What is the electron geometry (eg) and molecular geometry (mg) of BrF3?
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What is the electron geometry (eg) and molecular geometry (mg) of ICl2⁻?
What is the electron geometry (eg) and molecular geometry (mg) of ICl2⁻?
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What is the electron geometry (eg) and molecular geometry (mg) of XeF2?
What is the electron geometry (eg) and molecular geometry (mg) of XeF2?
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What is the electron geometry (eg) and molecular geometry (mg) of XeF4?
What is the electron geometry (eg) and molecular geometry (mg) of XeF4?
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What is the molecular geometry at C1 and C2 in a given molecule?
What is the molecular geometry at C1 and C2 in a given molecule?
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What are the molecular geometries at the labeled atoms in a given molecule?
What are the molecular geometries at the labeled atoms in a given molecule?
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Order the following in increasing X-Se-X bond angle: SeO2, SeCl6, SeF2.
Order the following in increasing X-Se-X bond angle: SeO2, SeCl6, SeF2.
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Order the following in increasing F-A-F bond angle: PF3, OF2, PF4⁺.
Order the following in increasing F-A-F bond angle: PF3, OF2, PF4⁺.
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Order the following in decreasing X-A-X bond angle: N2O, NCl3, NO2⁻.
Order the following in decreasing X-A-X bond angle: N2O, NCl3, NO2⁻.
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Order the following in decreasing X-A-X bond angle: CS2, CF4, SCl2.
Order the following in decreasing X-A-X bond angle: CS2, CF4, SCl2.
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Study Notes
Molecular Geometries
- SF4: Seesaw geometry; important for predicting molecular interactions.
- ClF3: T-shaped structure; notable for unique electron pair arrangements.
- IF2⁻: Linear geometry; indicates symmetrical distribution of electron density.
- IBr4⁻: Square planar; emphasizes the significance of d-orbitals in heavy elements.
- BrF5: Square pyramidal shape; shows how lone pairs affect molecular orientation.
- SCl6: Octahedral geometry; associated with expanded octets in heavier elements.
- PF5: Trigonal bipyramidal configuration; key to understanding varying bond angles.
Electron Geometry and Molecular Geometry
- BCl3: Both electron and molecular geometry are trigonal planar, emphasizing symmetry.
- CO3²⁻: Known for its trigonal planar arrangement, critical for resonance structures.
- CH3⁺: Exhibits trigonal planar geometry; important for electron-deficient species.
- SiF4: Displays tetrahedral geometry; foundational for understanding hybridization.
Bond Angles
- Trigonal Planar Shape: Approximate bond angle of 120°; significant in predicting molecular behavior.
- Tetrahedral Shape: Approximate bond angle of 109.5°; crucial in molecular formation.
Comparison of Geometries
- PF5: Both electron and molecular geometries are trigonal bipyramidal, which allows more efficient bonding.
- BrF3: Electron geometry is trigonal bipyramidal, molecular geometry is T-shaped; emphasizes lone pair influence.
- ICl2⁻: Linear geometry in a trigonal bipyramidal environment; highlights symmetry in charged species.
- XeF2: Linear structure with a trigonal bipyramidal electron geometry; indicates effective electron pair repulsion.
Molecular Structures
- C2H2 (HCCH): Linear configuration; explains simple alkyne structures.
- C2H4 (H2CCH2): Trigonal planar around the carbon atoms; key for understanding alkenes.
- C2H6 (H3CCH3): Tetrahedral geometry around interior carbons; typical of saturated hydrocarbons.
Bond Angle Comparisons
- Increasing X-Se-X Bond Angle: Sequence is SeCl6 < SeF2 < SeO2; reflects influence of different substituents on bond angles.
- F-A-F Bond Angle Order: OF2 < PF3 < PF4⁺ demonstrates how lone pairs perturb bond angles.
- Decreasing X-A-X Bond Angle: Sequence is N2O > NO2⁻ > NCl3; shows the effects of lone pairs and multiple bonds.
Practical Application
- Recognizing molecular geometries aids in predicting reactivity and properties of compounds.
- Understanding bond angles helps in visualizing molecular interactions and sterics.
- Geometry and structure data inform synthesis and design of new chemical compounds.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Explore the molecular geometries for various molecules and ions through flashcards based on Chapter 10 of Tro's Chemistry textbook. This quiz focuses on determining shapes like seesaw and T-shape, as well as sketching the molecular structures using specific bond conventions.
