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Questions and Answers
What do acids produce?
What do acids produce?
- OH-
- e- pair
- H2O
- H+ (correct)
According to the Bronsted-Lowry concept, what do bases accept?
According to the Bronsted-Lowry concept, what do bases accept?
- OH-
- H+ (correct)
- H2O
- e- pair
What is the general equation for the reaction between an acid and a base?
What is the general equation for the reaction between an acid and a base?
- HA(aq) + H+(aq) ↔ H2O(l) + A-(aq)
- HA(aq) + H2O(l) ↔ H3O+(aq) + A-(aq) (correct)
- HA(aq) + H3O+(aq) ↔ H2O(l) + A-(aq)
- HA(aq) + OH-(aq) ↔ H2O(l) + A-(aq)
What type of reaction occurs during neutralization?
What type of reaction occurs during neutralization?
Which type of salt will form a neutral solution when dissolved in water?
Which type of salt will form a neutral solution when dissolved in water?
What kind of solution does a salt form if it is composed of the cation of the strong conjugate acid of a weak base?
What kind of solution does a salt form if it is composed of the cation of the strong conjugate acid of a weak base?
When a salt is formed from a weak acid and a strong base, what type of solution does it produce?
When a salt is formed from a weak acid and a strong base, what type of solution does it produce?
Which ion from a basic salt will hydrolyze (react with water) as a Bronsted base?
Which ion from a basic salt will hydrolyze (react with water) as a Bronsted base?
What happens to the ions from a neutral salt when they are dissolved in water?
What happens to the ions from a neutral salt when they are dissolved in water?
How do salts affect the pH of an aqueous solution?
How do salts affect the pH of an aqueous solution?
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Study Notes
Acid-Base Reactions
- Acids produce hydrogen ions (H+).
- According to the Bronsted-Lowry concept, bases accept hydrogen ions (H+).
Neutralization Reactions
- The general equation for the reaction between an acid and a base is: HA (acid) + BOH (base) → BA (salt) + H2O (water).
- Neutralization reactions involve the reaction between an acid and a base to form a salt and water.
Salt Formation and pH
- A salt formed from a strong acid and a strong base will form a neutral solution when dissolved in water.
- A salt composed of the cation of the strong conjugate acid of a weak base will form a basic solution.
- A salt formed from a weak acid and a strong base will form a basic solution.
- The anion from a basic salt will hydrolyze (react with water) as a Bronsted base.
- The ions from a neutral salt do not react with water when dissolved.
pH Effects of Salts
- Salts can affect the pH of an aqueous solution depending on the type of salt.
- Basic salts can increase the pH, while acidic salts can decrease the pH.
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