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id-base eid. solution, CI. said to the of the se n will e base kaline. the pH each Part A Classify each salt as acidic, basic, or neutral. Drag the appropriate items to their respective bins. ▸ View Available Hint(s) Neutral salts AICI₂ LICN Acidic salts KBr Basic salts Reset Help

id-base eid. solution, CI. said to the of the se n will e base kaline. the pH each Part A Classify each salt as acidic, basic, or neutral. Drag the appropriate items to their respective bins. ▸ View Available Hint(s) Neutral salts AICI₂ LICN Acidic salts KBr Basic salts Reset Help

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Introduction to Acid-Base Properties of Salt Solutions** A salt is an ionic compound produced when a cation and an anion from an acid-base reaction combine. In other words, the cation from a base replaces a proton on an acid. An example is the reaction of the strong base NaOH with the strong acid HCl. In solution, the H⁺ and OH⁻ ions react to form H₂O, leaving a solution of salt ions, Na⁺ and Cl⁻. In this example, the salt ions do not affect the pH of the solution and are, therefore, said to be spectator ions. The conjugate base of a strong acid is always a weak base (and the conjugate acid of a strong base is always a weak acid). So the conjugate base Cl⁻ of the strong acid HCl is always a weak base and the conjugate acid Na⁺ of a strong base NaOH is always a weak acid. However, anions from weak acids and cations from weak bases change the pH of an aqueous solution. If one of the salt ions is the conjugate acid of a weak base, the ion will react with H₂O to create H₃O⁺ ions, acidifying the solution. Similarly, the conjugate base of a weak acid will react with H₂O to create OH⁻ ions, making the solution more alkaline. It can also happen that both of the ions in the salt can react with H₂O. In this case, the pH of the solution can be more difficult to predict, and it depends on the extent to which each of the ions hydrolyzes (reacts with water). **Part A** Classify each salt as acidic, basic, or neutral. Drag the appropriate items to their respective bins. - **View Available Hint(s)** Items to classify: AlCl₃, LiCN, KBr Bins: - **Neutral salts** - **Acidic salts** - **Basic salts** **Instructions:** Use the interface to drag each salt to its corresponding category based on its acid-base properties.
Transcribed Image Text:**Introduction to Acid-Base Properties of Salt Solutions** A salt is an ionic compound produced when a cation and an anion from an acid-base reaction combine. In other words, the cation from a base replaces a proton on an acid. An example is the reaction of the strong base NaOH with the strong acid HCl. In solution, the H⁺ and OH⁻ ions react to form H₂O, leaving a solution of salt ions, Na⁺ and Cl⁻. In this example, the salt ions do not affect the pH of the solution and are, therefore, said to be spectator ions. The conjugate base of a strong acid is always a weak base (and the conjugate acid of a strong base is always a weak acid). So the conjugate base Cl⁻ of the strong acid HCl is always a weak base and the conjugate acid Na⁺ of a strong base NaOH is always a weak acid. However, anions from weak acids and cations from weak bases change the pH of an aqueous solution. If one of the salt ions is the conjugate acid of a weak base, the ion will react with H₂O to create H₃O⁺ ions, acidifying the solution. Similarly, the conjugate base of a weak acid will react with H₂O to create OH⁻ ions, making the solution more alkaline. It can also happen that both of the ions in the salt can react with H₂O. In this case, the pH of the solution can be more difficult to predict, and it depends on the extent to which each of the ions hydrolyzes (reacts with water). **Part A** Classify each salt as acidic, basic, or neutral. Drag the appropriate items to their respective bins. - **View Available Hint(s)** Items to classify: AlCl₃, LiCN, KBr Bins: - **Neutral salts** - **Acidic salts** - **Basic salts** **Instructions:** Use the interface to drag each salt to its corresponding category based on its acid-base properties.
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