Question

Amphoteric nature of h2o

Answer 1

Amphoteric substance is that substance which has ability to donate as well as accept a Proton. According to Bronsted -Lowry concept,bases stronger than water,tend to accept proton from it.Thus by donating proton,water acts as an acid. ... Thus water can donate as well as accept proton and show amphoteric nature.

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Answer 2

Answer:

A species that has the potential to act both as an acid and as a base according to Brønsted-Lowry Theory is said to be amphoteric. The water molecule has hydrogen atoms and, therefore, could act as an acid in a reaction. ... Since water has the potential to act both as an acid and as a base, water is amphoteric.