According to the Bronsted Lowery concept, which of the following species cannot function as an acid?
Correct answer: A. SO42-
- A. SO42-
- B. H3O-
- C. HSO4-
- D. NH4+
Explanation
According to the Brønsted-Lowry concept, an acid is a species that can donate a proton (H+). The sulfate ion, SO42-, cannot donate a proton because it does not have any protons to donate, making it incapable of acting as an acid. In contrast, H3O-, HSO4-, and NH4+ all have protons that they can potentially donate, which allows them to function as acids according to this definition.
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