Textbook Question
Determine whether each molecule is polar or nonpolar. c. SeCl6
Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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Table of contents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
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Tro 6th EditionCh.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO TheoryProblem 52
Tro 6th EditionCh.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO TheoryProblem 52Chapter 11, Problem 52
Determine whether each molecule is polar or nonpolar.
a. IF5
b. SCl2
c. SCl4
d. BrF5
Verified step by step guidance1
Determine the molecular geometry for each molecule using VSEPR theory.
For IF5, identify the central atom and count the number of bonding pairs and lone pairs to determine its shape.
For SCl2, identify the central atom and count the number of bonding pairs and lone pairs to determine its shape.
For SCl4, identify the central atom and count the number of bonding pairs and lone pairs to determine its shape.
For BrF5, identify the central atom and count the number of bonding pairs and lone pairs to determine its shape.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Molecular Geometry
Molecular geometry refers to the three-dimensional arrangement of atoms within a molecule. The shape of a molecule is determined by the number of bonding pairs and lone pairs of electrons around the central atom, which can be predicted using the VSEPR (Valence Shell Electron Pair Repulsion) theory. Understanding the geometry is crucial for determining the polarity of a molecule.
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Electronegativity
Electronegativity is a measure of an atom's ability to attract and hold onto electrons in a chemical bond. Differences in electronegativity between bonded atoms can lead to polar covalent bonds, where electrons are shared unequally. This concept is essential for assessing whether a molecule has a dipole moment, which contributes to its overall polarity.
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Dipole Moment
A dipole moment is a vector quantity that represents the separation of positive and negative charges in a molecule. It occurs when there is an uneven distribution of electron density, often due to differences in electronegativity. A molecule is considered polar if it has a net dipole moment, while nonpolar molecules have symmetrical charge distributions that cancel out any dipole moments.
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Related Practice
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The valence electron configurations of several atoms are shown here. How many bonds can each atom make without hybridization? c. O 2s2sp4
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The valence electron configurations of several atoms are shown here. How many bonds can each atom make without hybridization? a. N 2s22p3
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Determine whether each molecule in Exercise 36 is polar or nonpolar.
a. CS2
b. SCl2
c. CHF3
d. PF3
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The valence electron configurations of several atoms are shown here. How many bonds can each atom make without hybridization? b. B 2s2sp1
Textbook Question
Determine whether each molecule is polar or nonpolar. b. SiCl4