Domanda del libro di testo
Write the chemical equation and the Kb expression for the reaction of each of the following bases with water: (a) propylamine, C3H7NH2
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Ch.16 - Acid-Base Equilibria
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232Non è quello che usi tu?Cambia libro di testo
Capitolo 16, Problema 68a
The hypochlorite ion, ClO-, acts as a weak base. (a) Is ClO- a stronger or weaker base than hydroxylamine?
Guida verificata passo dopo passo1
Step 1: To determine whether ClO- is a stronger or weaker base than hydroxylamine, we need to compare their base ionization constants (Kb).
Step 2: The base ionization constant (Kb) is a measure of the strength of a base. The larger the Kb, the stronger the base.
Step 3: Look up the Kb values for ClO- and hydroxylamine in a table of ionization constants. These values can be found in a chemistry textbook or reliable online source.
Step 4: Compare the Kb values. If the Kb of ClO- is larger than that of hydroxylamine, then ClO- is a stronger base. If the Kb of ClO- is smaller, then it is a weaker base.
Step 5: Remember that the strength of a base is also related to the stability of its conjugate acid. A base that has a more stable conjugate acid will be weaker because it is less likely to accept a proton.
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Acid-Base Theory
Acid-base theory explains the behavior of substances in terms of proton (H+) transfer. According to the Brønsted-Lowry theory, acids donate protons while bases accept them. Understanding this concept is crucial for comparing the basicity of different species, such as the hypochlorite ion (ClO-) and hydroxylamine.
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Percorso guidato
02:08
Bronsted-Lowry Acid-Base Theory
Weak Bases
Weak bases are substances that do not completely dissociate in solution to produce hydroxide ions (OH-). Instead, they establish an equilibrium between the undissociated base and its ions. The strength of a weak base can be assessed by its base dissociation constant (Kb), which indicates its ability to accept protons compared to other weak bases.
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Percorso guidato
00:51ICE Charts of Weak Bases
Comparative Basicity
Comparative basicity involves evaluating the strength of different bases based on their ability to accept protons. This can be determined by examining their Kb values or their conjugate acids' stability. In this context, comparing ClO- with hydroxylamine requires analyzing their respective structures and the stability of their conjugate acids to conclude which is the stronger base.
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Percorso guidato
01:04Balancing Basic Redox Reactions
Pratica correlata
Domanda del libro di testo
Consider the base hydroxylamine, NH2OH. (a) What is the conjugate acid of hydroxylamine?
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Domanda del libro di testo
The hypochlorite ion, ClO-, acts as a weak base. (b) When ClO- acts as a base, which atom, Cl or O, acts as the proton acceptor? (c) Can you use formal charges to rationalize your answer to part (b)?
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