Justifyi the statement that water behaves like an acid an also like base on the basis of protonic concept.

Explanation

`to` Water has the ability to acts as an acid and as well as a base i.e., it behaves as an amphoteric substance.
`to` The following are the supporting reactions for the fact that water behaves as an amphoteric substance.
As an acid :
`H_(2)O_((l))+NH_(3(aq))hArr OH_((aq))^(-)+NH_(4(aq))^(+)`
` to H_(2)` is proton do nor. i.e., a base according to Bronsted Sense