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Multiple Choice
Which of the following lists includes all seven strong acids commonly recognized in general chemistry?
A
HCl, HBr, HI, HNO2, H2SO4, HClO4, HClO3
B
HCl, HBr, HI, HNO3, H2SO4, HClO4, HClO3
C
HCl, HBr, HI, HNO3, H2SO4, HClO4, H2CO3
D
HCl, HBr, HI, HNO3, H2SO3, HClO4, HClO3
Verified step by step guidance
1
Recall that strong acids are acids that completely dissociate in aqueous solution, meaning they release all their protons (H\textsuperscript{+}) into the solution.
Identify the commonly recognized seven strong acids in general chemistry, which are: hydrochloric acid (HCl), hydrobromic acid (HBr), hydroiodic acid (HI), nitric acid (HNO\textsubscript{3}), sulfuric acid (H\textsubscript{2}SO\textsubscript{4}), perchloric acid (HClO\textsubscript{4}), and chloric acid (HClO\textsubscript{3}).
Compare each list given in the problem to this set of seven strong acids to check for completeness and correctness.
Note that acids like nitrous acid (HNO\textsubscript{2}), carbonic acid (H\textsubscript{2}CO\textsubscript{3}), and sulfurous acid (H\textsubscript{2}SO\textsubscript{3}) are not strong acids because they do not fully dissociate in water.
Conclude that the list containing HCl, HBr, HI, HNO\textsubscript{3}, H\textsubscript{2}SO\textsubscript{4}, HClO\textsubscript{4}, and HClO\textsubscript{3} correctly includes all seven strong acids.