Which of the following can act as an acid and | vedclass

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(D) An amphoteric substance (or amphiprotic species) is one that can act as both an acid (by donating a proton) and a base (by accepting a proton).Spe

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All of these

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(D) An amphoteric substance (or amphiprotic species) is one that can act as both an acid (by donating a proton) and a base (by accepting a proton).SpeciesAs an Acid (Donates $H^+$)As a Base (Accepts $H^+$)$HClO_3^-$$ClO_3^{2-}$$H_2ClO_3$$H_2PO_4^-$$HPO_4^{2-}$$H_3PO_4$$HS^-$$S^{2-}$$H_2S$Since all the given species can donate and accept a proton,the correct answer is $D$.

Which of the following can act as an acid and as a base?

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