Which of the following sets correctly represents amphiprotic species in an aqueous medium? | Ionic Equilibrium — Chem-Mantra | Chem-Mantra

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Question

Which of the following sets correctly represents amphiprotic species in an aqueous medium?

Answer: B

💡 Solution & Explanation

Amphiprotic species can both donate and accept a proton ($H^+$). $H_2O, HCO_3^-,$ and $H_2PO_4^-$ fit this. $OH^-$ and $CO_3^{2-}$ cannot donate protons in water.

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