Which of the following is a set of amphiproti | vedclass

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(C) An amphiprotic species is one that can both donate and accept a proton $(H^+)$. $H_3O^+$ can only donate a proton,so it is not amphiprotic. $H_2O$

Vedclass · Accepted Answer

$H_2PO_4^-, H_2PO_3^-, H_2O$

Vedclass · Answer

(C) An amphiprotic species is one that can both donate and accept a proton $(H^+)$. $H_3O^+$ can only donate a proton,so it is not amphiprotic. $H_2O$ can accept a proton to form $H_3O^+$ and donate a proton to form $OH^-$. $HPO_4^{2-}$ can accept a proton to form $H_2PO_4^-$ and donate a proton to form $PO_4^{3-}$. $HCO_3^-$ can accept a proton to form $H_2CO_3$ and donate a proton to form $CO_3^{2-}$. $H_2PO_4^-$ can accept a proton to form $H_3PO_4$ and donate a proton to form $HPO_4^{2-}$. $H_2PO_3^-$ can accept a proton to form $H_3PO_3$ and donate a proton to form $HPO_3^{2-}$. Since $H_3O^+$ is not amphiprotic,option $A$ is incorrect. However,in many contexts,the question implies identifying sets where all members are amphiprotic. Given the options,$C$ contains species that are all amphiprotic.

Which of the following is a set of amphiprotic species?

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