Which of the following acts as both a Brddot{ | vedclass

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(D) $Br\ddot{o}nsted$ acid is a proton $(H^+)$ donor,and a $Br\ddot{o}nsted$ base is a proton $(H^+)$ acceptor.Species that can both donate and accept

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$HCO_3^-$

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(D) $Br\ddot{o}nsted$ acid is a proton $(H^+)$ donor,and a $Br\ddot{o}nsted$ base is a proton $(H^+)$ acceptor.Species that can both donate and accept a proton are called amphoteric.In the given options,$HCO_3^-$ can act as an acid: $HCO_3^- \rightarrow H^+ + CO_3^{2-}$.It can also act as a base: $HCO_3^- + H^+ \rightarrow H_2CO_3$.Therefore,$HCO_3^-$ acts as both a $Br\ddot{o}nsted$ acid and a $Br\ddot{o}nsted$ base.

Which of the following acts as both a $Br\ddot{o}nsted$ acid and a $Br\ddot{o}nsted$ base?

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