Question

The hydrogen oxalate ion (HC2O4−) is amphiprotic. Write another equation showing how it acts as a base toward water.
Express your answer as a chemical equation. Identify all of the phases in your answer.

Answer 1

Answer on Question #44399 – Chemistry – Other

Question

The hydrogen oxalate ion (HC₂O₄⁻) is amphiprotic. Write another equation showing how it acts as a base toward water.

Express your answer as a chemical equation. Identify all of the phases in your answer.

Answer

According to the Brønsted–Lowry theory, an acid is a species able to lose, or "donate" a proton (H⁺) while a base is a species with the ability to gain, or "accept," a proton.

The hydrogen oxalate ion can gain a proton acting as a base towards water, while the latter donates proton acting as an acid:

$$\mathrm{HC_2O_4^-} + \mathrm{HOH} \rightarrow \mathrm{HC_2O_4H} + \mathrm{OH^-}$$

base acid conjugated acid conjugated base

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