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Identify water as acid or base according to lewis and bronsted concept?

Identify water as acid or base according to lewis and bronsted concept?

Grade:12

1 Answers

Arun
25750 Points
6 years ago

Water is amphoteric i.e both acid and a base

Explanation:

When two water molecules react, one of the water molecules acts as the Lewis acid and the other water molecule acts as the Lewis base

Lewis acid = electron pair acceptor.
Lewis base = electron pair donor.

If you see the equation of 2 water molecules reacting 
H2O+H2O=H3O++OH
So one water molecule donates the electron while other receives it indicating its amphoteric nature.

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