Indicate steps which would convert:
a. Phenol to acetopenone
b. Acetic acid to tert-butyl alcohol

Explanation

### Step-by-Step Solution

#### Part A: Conversion of Phenol to Acetophenone

1. **React Phenol with Zinc Dust**:
- Start with phenol (C6H5OH) and react it with zinc dust (Zn). This reaction will reduce phenol to benzene (C6H6).
- **Reaction**:
\[
...