Which of the following cannot act both as Bro | vedclass

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(C) Bronsted acid is a proton donor,and a Bronsted base is a proton acceptor.Species that can act as both are called amphoteric.$HCO_3^-$,$NH_3$,and $

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$HCl$

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(C) Bronsted acid is a proton donor,and a Bronsted base is a proton acceptor.Species that can act as both are called amphoteric.$HCO_3^-$,$NH_3$,and $HSO_4^-$ possess both a proton to donate and a lone pair/negative charge to accept a proton.$HCl$ can only donate a proton $(HCl \rightarrow H^+ + Cl^-)$ but cannot accept a proton to form $H_2Cl^+$,thus it cannot act as a Bronsted base.

Which of the following cannot act both as Bronsted acid and as Bronsted base?

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