What do you understand by the term 'auto-prolysis' of water ? What is its significance ?

Explanation

### Step-by-Step Solution:

1. **Definition of Auto-Protolysis**:
- Auto-protolysis, also known as self-ionization, refers to the process in which water molecules react with each other to produce ions. In this process, one water molecule donates a proton (H⁺) and acts as an acid, while another water molecule accepts that proton and acts as a base.

2. **Chemical Equation**:
- The auto-protolysis of water can be represented by the following chemical equation:
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