Domanda del libro di testo
(b) It turns out that ozone, O3, has a small dipole moment. How is this possible, given that all the atoms are the same?
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Ch.9 - Molecular Geometry and Bonding Theories
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement146
- Ch.2 - Atoms, Molecules, and Ions200
- Ch.3 - Chemical Reactions and Reaction Stoichiometry176
- Ch.4 - Reactions in Aqueous Solution155
- Ch.5 - Thermochemistry126
- Ch.6 - Electronic Structure of Atoms131
- Ch.7 - Periodic Properties of the Elements126
- Ch.8 - Basic Concepts of Chemical Bonding123
- Ch.9 - Molecular Geometry and Bonding Theories143
- Ch.10 - Gases147
- Ch.11 - Liquids and Intermolecular Forces91
- Ch.12 - Solids and Modern Materials122
- Ch.13 - Properties of Solutions126
- Ch.14 - Chemical Kinetics174
- Ch.15 - Chemical Equilibrium101
- Ch.16 - Acid-Base Equilibria139
- Ch.17 - Additional Aspects of Aqueous Equilibria146
- Ch.18 - Chemistry of the Environment72
- Ch.19 - Chemical Thermodynamics129
- Ch.20 - Electrochemistry142
- Ch.21 - Nuclear Chemistry101
- Ch.22 - Chemistry of the Nonmetals68
- Ch.23 - Transition Metals and Coordination Chemistry66
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry10
Brown15th EditionChemistry: The Central ScienceISBN: 9780137542970Non è quello che usi tu?Cambia libro di testo
Capitolo 9, Problema 37a
a. Does SCl2 have a nonzero dipole moment?
Guida verificata passo dopo passo1
Identify the molecular geometry of SCl_2. Sulfur dichloride (SCl_2) has a bent shape due to the presence of lone pairs on the sulfur atom.
Determine the electronegativity of the atoms involved. Chlorine is more electronegative than sulfur, which means the S-Cl bonds are polar.
Consider the vector sum of the dipole moments. In a bent molecular geometry, the dipole moments do not cancel out completely.
Assess the symmetry of the molecule. Since SCl_2 is not symmetrical, the dipole moments do not cancel each other out.
Conclude that SCl_2 has a nonzero dipole moment due to its bent shape and polar bonds.
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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 influences the overall polarity. For SCl2, the bent shape due to the presence of lone pairs on sulfur is crucial for understanding its dipole moment.
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Percorso guidato
01:33
Molecular Geometry with Two Electron Groups
Polarity and Dipole Moment
Polarity in molecules arises from differences in electronegativity between bonded atoms, leading to uneven distribution of electron density. A dipole moment is a vector quantity that measures the separation of positive and negative charges in a molecule. If a molecule has an asymmetrical shape and polar bonds, it will have a nonzero dipole moment, indicating that it is polar.
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Percorso guidato
01:25Dipole Moment
Electronegativity
Electronegativity is the tendency of an atom to attract electrons in a chemical bond. In SCl2, sulfur has a lower electronegativity than chlorine, resulting in polar S-Cl bonds. The difference in electronegativity contributes to the overall dipole moment of the molecule, as the unequal sharing of electrons leads to a partial positive charge on sulfur and a partial negative charge on chlorine.
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Percorso guidato
02:10Electronegativity Trends
Pratica correlata
Domanda del libro di testo
a. Consider the AF3 molecules in Exercise 9.27. Which of these will have a nonzero dipole moment?
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Domanda del libro di testo
(c) Does the molecule BF2Cl have a dipole moment?
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Domanda del libro di testo
Which of the following statements are true?
i. The overall dipole moment of a molecule is the vector sum of its individual bond dipoles.
ii. If atoms A and B in an AB𝑛 molecule have different electronegativities, then the AB𝑛 molecule must have a nonzero dipole moment.
iii. The bond dipoles in a tetrahedral AB4 molecule cancel one another.