Choose the correct option : When dilute sodium chloride solution is electrolysed using graphite electrodes , the cation is discharged at the cathode most readily `[ Na^(+) , OH , H^(+) , Cl^(-)] `

Explanation

To solve the question regarding the electrolysis of dilute sodium chloride solution using graphite electrodes, we will follow these steps:

### Step-by-Step Solution:

1. **Understand the Electrolysis Process**:
- Electrolysis involves the breakdown of a compound in solution by passing an electric current through it. In this case, we are looking at dilute sodium chloride (NaCl) solution.

2. **Dissociation of Sodium Chloride**:
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