Show the arrowhead steps for the preparation
of acetic acid by using the following substances in the correct order:
dry `C_(2)H_(5)OC_(2)H_(5),I_(2),Mg,` red P, `CH_(3)OH,CO_(2),` dilute HCl.

Explanation

To prepare acetic acid (CH₃COOH) using the given substances, we can follow these steps:

### Step 1: Preparation of Grignard Reagent
- **React dry C₂H₅OC₂H₅ (diethyl ether)** with **Mg** (magnesium) in dry conditions to form the Grignard reagent.

**Reaction:**
\[
\text{C}_2\text{H}_5\text{OC}_2\text{H}_5 + \text{Mg} \rightarrow \text{C}_2\text{H}_5\text{MgBr} \text{ (Grignard reagent)}
...