Question

Water acts as Bronsted acid as well as a Bronsted base. Give one example each to illustrate this statement.

Answer 1

\[\ce{\underset{\text{Bronsted acid}}{H2O} + \underset{\text{Bronsted base}}{NH3} ⇌ {NH_4^+} + {OH^-}}\]

\[\ce{\underset{\text{Bronsted acid}}{HCl} + \underset{\text{Bronsted base}}{H2O} ⇌ {H3O^+} + {Cl^-}}\]