Which compound is an Arrhenius acid?
Sep 14
1 min read
Regents Chemistry June 2026
26 Which compound is an Arrhenius acid?
(1) NH3
(2) H2SO3
(3) Ba(OH)2
(4) KOH
Solution:
Arrhenius acid is a substance that yields H+(hydrogen ions) when dissolved in water. Table K on the Reference Table shows all of the common acids, including H2SO3, sulfurous acid. Choice 2 is the correct answer.
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