Multiple Choice
Which of the following compounds is considered the universal recipient in acid-base reactions?
3. Acids and Bases
Acids and Bases
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Which of the following is an accurate description of a strong acid in terms of its dissociation in water?
A
A strong acid completely dissociates in water.
B
A strong acid does not dissociate in water.
C
A strong acid partially dissociates in water.
D
A strong acid forms a weak conjugate base.
Verified step by step guidance1
Understand the concept of acid dissociation: In chemistry, dissociation refers to the process by which molecules or ionic compounds split into smaller particles, such as atoms, ions, or radicals, usually in a reversible manner.
Define a strong acid: A strong acid is one that completely dissociates in water, meaning it releases all of its hydrogen ions (H⁺) into the solution.
Compare with weak acids: Unlike strong acids, weak acids only partially dissociate in water, meaning only a fraction of their hydrogen ions are released into the solution.
Consider the conjugate base: When a strong acid dissociates completely, it forms a weak conjugate base. This is because the conjugate base has little tendency to re-associate with hydrogen ions.
Evaluate the options: Based on the definitions, the correct description of a strong acid is that it completely dissociates in water, forming a weak conjugate base.
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