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Multiple Choice
Which of the following compounds is considered a strong acid in aqueous solution?
A
Ammonia ()
B
Water ()
C
Hydrochloric acid ()
D
Acetic acid ()
Verified step by step guidance
1
Identify the nature of each compound listed: Ammonia (NH3), Water (H2O), Hydrochloric acid (HCl), and Acetic acid (CH3COOH).
Understand the concept of acid strength: A strong acid is one that completely dissociates in water, releasing a high concentration of hydrogen ions (H+).
Evaluate each compound: Ammonia (NH3) is a weak base, Water (H2O) is neutral, Hydrochloric acid (HCl) is a strong acid, and Acetic acid (CH3COOH) is a weak acid.
Focus on Hydrochloric acid (HCl): It is known to completely dissociate in aqueous solution, making it a strong acid.
Conclude that among the given options, Hydrochloric acid (HCl) is the compound considered a strong acid in aqueous solution.