Domanda del libro di testo
The following picture represents the hydrated metal cation M1H2O26 n + , where n = 1, 2, or 3.
(b) Does the equilibrium constant increase, decrease, or remain the same as the value of n increases? Explain.
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Ch.16 - Aqueous Equilibria: Acids & Bases
McMurry8th EditionChemistryISBN: 9781292336145
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TOC.tableOfContents
- Ch.1 - Chemical Tools: Experimentation & Measurement170
- Ch.2 - Atoms, Molecules & Ions160
- Ch.3 - Mass Relationships in Chemical Reactions169
- Ch.4 - Reactions in Aqueous Solution199
- Ch.5 - Periodicity & Electronic Structure of Atoms102
- Ch.6 - Ionic Compounds: Periodic Trends and Bonding Theory92
- Ch.7 - Covalent Bonding and Electron-Dot Structures61
- Ch.8 - Covalent Compounds: Bonding Theories and Molecular Structure59
- Ch.9 - Thermochemistry: Chemical Energy122
- Ch.10 - Gases: Their Properties & Behavior155
- Ch.11 - Liquids & Phase Changes54
- Ch.12 - Solids and Solid-State Materials73
- Ch.13 - Solutions & Their Properties120
- Ch.14 - Chemical Kinetics98
- Ch.15 - Chemical Equilibrium125
- Ch.16 - Aqueous Equilibria: Acids & Bases110
- Ch.17 - Applications of Aqueous Equilibria147
- Ch.18 - Thermodynamics: Entropy, Free Energy & Equilibrium86
- Ch.19 - Electrochemistry154
- Ch.20 - Nuclear Chemistry96
- Ch.21 - Transition Elements and Coordination Chemistry156
- Ch.22 - The Main Group Elements187
- Ch.23 - Organic and Biological Chemistry51
Capitolo 16, Problema 44c
The following picture represents the hydrated metal cation M1H2O26 n + , where n = 1, 2, or 3. (c) Which M1H2O26n + ion 1n = 1,2, or 32 is the strongest acid, and which has the strongest conjugate base?
Guida verificata passo dopo passo1
insert step 1: Understand the concept of acidity in metal cations. The acidity of a hydrated metal cation is influenced by the charge density of the metal ion. Higher charge and smaller size lead to stronger acidity.
insert step 2: Analyze the given metal cation M(H2O)6^n+. The charge n can be 1, 2, or 3. Consider how the charge affects the acidity.
insert step 3: Compare the acidity of M(H2O)6^1+, M(H2O)6^2+, and M(H2O)6^3+. The higher the charge, the more acidic the cation, because it can polarize the water molecules more effectively, leading to easier release of H+ ions.
insert step 4: Determine which ion has the strongest conjugate base. The strongest acid will have the weakest conjugate base, and vice versa.
insert step 5: Conclude that M(H2O)6^3+ is the strongest acid due to its highest charge, and M(H2O)6^1+ has the strongest conjugate base as it is the weakest acid.
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Hydrated Metal Cations
Hydrated metal cations are metal ions surrounded by water molecules, which stabilize the ion in solution. The number of water molecules coordinated to the metal ion can influence its properties, including acidity. The charge and size of the metal ion, as well as the number of water molecules, play a crucial role in determining the strength of the resulting acid.
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Percorso guidato
02:04
Ionic Hydrates Naming
Acid Strength and Conjugate Bases
The strength of an acid is determined by its ability to donate protons (H+ ions) in solution. Stronger acids have weaker conjugate bases, meaning that when they lose a proton, the remaining species is less likely to re-accept a proton. Understanding the relationship between acid strength and the stability of the conjugate base is essential for predicting the behavior of the hydrated metal cations.
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00:50Strength of Conjugate Acids and Bases
Charge and Coordination Number
The charge of a metal cation and its coordination number (the number of water molecules attached) significantly affect its acidity. Higher charged cations tend to be stronger acids because they can stabilize the negative charge of the conjugate base more effectively. Additionally, the coordination number influences the geometry and electronic environment around the metal ion, further impacting its acid-base properties.
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Percorso guidato
00:27Coordination Numbers
Pratica correlata
Domanda del libro di testo
The following pictures represent solutions of three salts NaA (A- = X-, Y-, or Z-); water molecules and Na+ ions have been omitted for clarity.
(c) Which A- anion has the smallest value of pKb?
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Domanda del libro di testo
Look at the electron-dot structures of the following molecules
and ions:
(b) Which can behave as a Lewis acid? Which can behave as
a Lewis base?
288
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Domanda del libro di testo
The following picture represents the hydrated metal cation M1H2O26 n + , where n = 1, 2, or 3.
(a) Write a balanced equation for the reaction of M1H2O26 n + with water and write the equilibrium equation for the reaction.
254
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