What are ambident nucleophiles ? Give an example.

Explanation

**Step-by-Step Solution:**

1. **Definition of Ambident Nucleophiles**:
- Ambident nucleophiles are nucleophiles that have two different atoms that can act as nucleophilic sites. This means they can attack an electrophile through either of these sites.

2. **Understanding the Term 'Ambident'**:
- The prefix "ambi-" means both. Therefore, ambident nucleophiles can engage in nucleophilic attack from two different positions or atoms.

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