Which ion moves towards the cathode ?

Explanation

### Step-by-Step Solution:

1. **Understanding Electrolysis**: Electrolysis is a process that uses electrical energy to drive a non-spontaneous chemical reaction. It involves the movement of ions in an electrolyte solution.

2. **Identifying Electrodes**: In an electrolytic cell, there are two electrodes: the anode and the cathode. The anode is positively charged, while the cathode is negatively charged.

3. **Movement of Ions**:
- **Cations**: These are positively charged ions (e.g., H⁺, Ag⁺, Cu²⁺) that are attracted to the cathode (negative electrode).
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