Multiple Choice
Which of the following is the correct chemical formula for sulfuric acid?
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3. Chemical Reactions
Naming Acids
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Which of the following is an example of a strong acid?
A
H2CO3 (carbonic acid)
B
CH3COOH (acetic acid)
C
HCl (hydrochloric acid)
D
HF (hydrofluoric acid)
Verified step by step guidance1
Understand the difference between strong acids and weak acids: Strong acids completely dissociate in water, releasing all their hydrogen ions (H\_3O\^+), while weak acids only partially dissociate.
Review the given acids and their typical strength: H\_2CO\_3 (carbonic acid) and CH\_3COOH (acetic acid) are known weak acids because they do not fully dissociate in solution.
Recognize that HF (hydrofluoric acid) is a weak acid despite being a hydrogen halide, because it does not fully dissociate due to strong hydrogen bonding and high bond strength.
Identify HCl (hydrochloric acid) as a strong acid because it completely dissociates in aqueous solution, releasing H\^+ ions fully.
Conclude that among the options, HCl is the example of a strong acid due to its complete ionization in water.
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