Domanda del libro di testo
The hypochlorite ion, ClO-, acts as a weak base. (a) Is ClO- a stronger or weaker base than hydroxylamine?
2024
views
Ch.16 - Acid-Base Equilibria
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
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 70a
Write the chemical equation and the Kb expression for the reaction of each of the following bases with water: (a) propylamine, C3H7NH2
Guida verificata passo dopo passo1
Identify the base and its reaction with water: Propylamine (\(\text{C}_3\text{H}_7\text{NH}_2\)) is a weak base that reacts with water to accept a proton, forming its conjugate acid and hydroxide ions.
Write the balanced chemical equation for the reaction: \[ \text{C}_3\text{H}_7\text{NH}_2 (aq) + \text{H}_2\text{O} (l) \rightleftharpoons \text{C}_3\text{H}_7\text{NH}_3^+ (aq) + \text{OH}^- (aq) \]
Identify the species involved in the equilibrium: The base (\(\text{C}_3\text{H}_7\text{NH}_2\)), water (\(\text{H}_2\text{O}\)), the conjugate acid (\(\text{C}_3\text{H}_7\text{NH}_3^+\)), and hydroxide ions (\(\text{OH}^-\)).
Write the expression for the base dissociation constant (\(K_b\)): \[ K_b = \frac{[\text{C}_3\text{H}_7\text{NH}_3^+][\text{OH}^-]}{[\text{C}_3\text{H}_7\text{NH}_2]} \]
Understand the significance of \(K_b\): The \(K_b\) value indicates the strength of the base; a larger \(K_b\) means a stronger base.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
1mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Bronsted-Lowry Theory
The Bronsted-Lowry theory defines acids as proton donors and bases as proton acceptors. In the context of the reaction of propylamine with water, propylamine acts as a base by accepting a proton from water, which in turn acts as an acid. This theory is essential for understanding how bases interact with water to form hydroxide ions.
Video consigliato:
Percorso guidato
02:08
Bronsted-Lowry Acid-Base Theory
Chemical Equilibrium
Chemical equilibrium refers to the state in which the concentrations of reactants and products remain constant over time, as the forward and reverse reactions occur at the same rate. In the case of propylamine reacting with water, the equilibrium between the base and its conjugate acid is crucial for determining the extent of the reaction and the concentrations of species involved.
Video consigliato:
Percorso guidato
04:21Chemical Equilibrium Concepts
Kb Expression
The Kb expression quantifies the strength of a base in water by measuring the equilibrium constant for its dissociation. For propylamine, the Kb expression is derived from the equilibrium concentrations of the products (propylammonium ion and hydroxide ion) and the reactants (propylamine and water). This expression is vital for calculating the base's dissociation in aqueous solution.
Video consigliato:
Percorso guidato
03:50Characteristics of Ka and Kb
Pratica correlata
Domanda del libro di testo
Write the chemical equation and the Kb expression for the reaction of each of the following bases with water: (c) benzoate ion, C6H5CO2-
512
views
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)?
775
views