Ch.15 - Acid and Base EquilibriumWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Which acid has the larger acid-dissociation constant, HIO2 or HBrO3?

Solution: Which acid has the larger acid-dissociation constant, HIO2 or HBrO3?

Problem

Which acid has the larger acid-dissociation constant, HIO2 or HBrO3?

Solution

We're being asked to determine which of HIO2 and HBrO3 has a larger acid-dissociation constant


An acid dissociation constant (Ka) is a quantitative measure of the strength of an acid in solution. So the greater the strength of the acid, the larger the acid dissociation constant.


The HIO2 and HBrO3 both have H+ ion connected to a nonmetal and oxygen, so they are oxyacids.


Recall that oxyacids can be identified by the fact that they all possess an H+ ion connected to a nonmetal and oxygen, hence the prefix “oxy”.


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