객관식
Which of the following statements best explains why a strong acid completely dissociates in water?
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3. Acids and Bases
Acid and Base Definitions
객관식
Which of the following is a characteristic of a strong acid in aqueous solution?
A
It partially dissociates into ions.
B
It forms a weak conjugate base.
C
It has a high value.
D
It completely dissociates into ions.
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검증된 단계별 안내1
Understand the definition of a strong acid: A strong acid is one that completely dissociates into its ions in an aqueous solution.
Consider the dissociation process: In water, a strong acid will release all of its hydrogen ions (H⁺) into the solution, leaving no undissociated acid molecules.
Evaluate the options: A strong acid does not partially dissociate; it completely dissociates, which means the first option is incorrect.
Analyze the conjugate base: A strong acid forms a weak conjugate base because the conjugate base has little tendency to re-associate with H⁺ ions.
Consider the pH value: A strong acid will have a low pH value, not a high one, because it increases the concentration of H⁺ ions in the solution.
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