Which electrophile does carry out the nitration of benzene?

Explanation

To determine which electrophile carries out the nitration of benzene, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Nitration Reaction**:
- Nitration of benzene involves the introduction of a nitro group (-NO2) into the benzene ring. This reaction is an example of electrophilic aromatic substitution.

2. **Reagents Used**:
...