In Friedel-Crafts acylation, besides `AlCl_(3)`, the other reactants are

Options

A. `C_(6)H_(6) + CH_(3)Cl`
B. `C_(6)H_(6) + CH_(4)`
C. `C_(6)H_(6) + NH_(2)-NH_(2)`
D. `C_(6)H_(6) + CH_(3)COCl`

Answer

To solve the question regarding the reactants used in Friedel-Crafts acylation, we can break down the process step by step:

### Step 1: Identify the Reaction
Friedel-Crafts acylation is a reaction that introduces an acyl group into an aromatic ring. The general formula for the acylation reaction can be represented as:
\[ \text{Benzene} + \text{Acyl Chloride} \xrightarrow{\text{AlCl}_3} \text{Acylated Product} + \text{HCl} \]

### Step 2: Identify the Reactants
In Friedel-Crafts acylation, the key reactants are:
1. **Benzene (C₆H₆)** - This is the aromatic compound that will undergo acylation.
2. **Acyl Chloride** - The most common acyl chloride used is **acetyl chloride (CH₃C(O)Cl)**.
3. **Lewis Acid Catalyst** - The catalyst used is **Aluminum Chloride (AlCl₃)**, which facilitates the generation of the electrophile.

### Step 3: Write the Reaction
The reaction can be summarized as follows:
\[ \text{C}_6\text{H}_6 + \text{CH}_3\text{C(O)Cl} \xrightarrow{\text{AlCl}_3} \text{C}_6\text{H}_5\text{C(O)CH}_3 + \text{HCl} \]
Here, the product formed is **acetophenone (C₆H₅C(O)CH₃)**.

### Step 4: Conclusion
Thus, besides **AlCl₃**, the other reactants in Friedel-Crafts acylation are:
- **Benzene (C₆H₆)**
- **Acetyl Chloride (CH₃C(O)Cl)**

### Final Answer
The reactants used in Friedel-Crafts acylation, besides AlCl₃, are benzene (C₆H₆) and acetyl chloride (CH₃C(O)Cl).

---