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Write Chemical Reactions to Show the Amphoteric Nature of Water. - Chemistry

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ConceptWater Chemical Properties of Water

Question

Write chemical reactions to show the amphoteric nature of water.

Solution

The amphoteric nature of water can be described on the basis of the following reactions:

1) Reaction with H2S

The reaction takes place as:

In the forward reaction, `H_2O_((l))` accepts a proton from `H_2S_((aq))`. Hence, it acts as a Lewis base.

2) Reaction with NH3

The reaction takes place as:

In the forward reaction, `H_2O` denotes its proton to`NH_(3(aq))`. Hence, it acts as a Lewis acid.

3) Self-ionization of water

In the reaction, two water molecules react as:

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Solution Write Chemical Reactions to Show the Amphoteric Nature of Water. Concept: Water - Chemical Properties of Water.
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