Domanda del libro di testo
Determine the oxidation number for the indicated element in each of the following substances: d. Br in HBrO
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Ch.4 - Reactions in Aqueous Solution
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 4, Problema 49a
Determine the oxidation number for the indicated element in each of the following substances: a. S in SO2
Guida verificata passo dopo passo1
Identify the oxidation number of oxygen, which is typically -2.
Let the oxidation number of sulfur (S) be x.
Write the equation for the sum of oxidation numbers in the compound SO2: x + 2(-2) = 0.
Simplify the equation: x - 4 = 0.
Solve for x to find the oxidation number of sulfur in SO2.
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Oxidation Number
The oxidation number, or oxidation state, is a theoretical charge assigned to an atom in a compound based on the assumption that electrons are completely transferred. It helps in understanding the electron distribution in molecules and is crucial for identifying redox reactions. Oxidation numbers can be positive, negative, or zero, depending on the atom's electron gain or loss.
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02:42
Oxidation Numbers
Rules for Assigning Oxidation Numbers
There are specific rules for assigning oxidation numbers, such as the fact that the oxidation number of an element in its elemental form is zero, and for monoatomic ions, it equals the charge of the ion. In compounds, hydrogen typically has an oxidation number of +1, oxygen usually has -2, and the sum of oxidation numbers in a neutral compound must equal zero. These rules guide the determination of oxidation states in various substances.
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03:13Oxidation Number Rules
Sulfur Dioxide (SO2)
Sulfur dioxide (SO2) is a chemical compound where sulfur is bonded to two oxygen atoms. To find the oxidation number of sulfur in SO2, one must consider the known oxidation state of oxygen, which is -2. Since there are two oxygen atoms, their total contribution is -4, leading to the conclusion that sulfur must have an oxidation number of +4 to balance the overall charge of the molecule to zero.
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04:22Hess's Law and Equilibrium Constant
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