Multiple Choice
Which of the following correctly describes how acids are named?
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3. Chemical Reactions
Naming Acids
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Which of the following is a weak acid?
A
H2SO4 (sulfuric acid)
B
HCl (hydrochloric acid)
C
HNO3 (nitric acid)
D
CH3COOH (acetic acid)
Verified step by step guidance1
Understand the difference between strong and weak acids: Strong acids completely dissociate in water, releasing all their hydrogen ions (H\_3O\^+), while weak acids only partially dissociate, establishing an equilibrium between the undissociated acid and its ions.
Identify the acids given: H\_2SO\_4 (sulfuric acid), HCl (hydrochloric acid), HNO\_3 (nitric acid), and CH\_3COOH (acetic acid).
Recall that H\_2SO\_4, HCl, and HNO\_3 are commonly known as strong acids because they dissociate almost completely in aqueous solution.
Recognize that CH\_3COOH (acetic acid) is a weak acid because it only partially dissociates in water, meaning it does not release all of its hydrogen ions.
Conclude that among the options, CH\_3COOH is the weak acid due to its partial ionization and equilibrium behavior in solution.
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