Textbook Question
The following compounds can all react as bases.
a. For each compound, show its conjugate acid. Show any resonance forms if applicable.
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3. Acids and Bases
Acids and Bases
Multiple Choice
Which of the following is a characteristic of a strong acid in aqueous solution?
A
It partially dissociates into ions.
B
It completely dissociates into ions.
C
It forms a weak conjugate base.
D
It has a high value.
Verified step by step guidance1
Understand the concept of acid dissociation: A strong acid is one that completely dissociates into its ions in an aqueous solution. This means that when a strong acid is dissolved in water, it releases all of its hydrogen ions (H⁺) into the solution.
Identify the characteristics of a strong acid: A strong acid will have a low pH value, typically less than 3, because it releases a high concentration of hydrogen ions into the solution.
Recognize the relationship between strong acids and conjugate bases: A strong acid forms a weak conjugate base. This is because the conjugate base of a strong acid has little tendency to accept protons, as the acid has already donated its protons completely.
Differentiate between strong and weak acids: Unlike strong acids, weak acids only partially dissociate in solution, meaning they do not release all of their hydrogen ions. This results in a higher pH compared to strong acids.
Apply this understanding to the given options: The correct characteristic of a strong acid in aqueous solution is that it completely dissociates into ions, forming a weak conjugate base and resulting in a low pH value.
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