Write chemical reaction to affect the following transformations :
Butanal `to` Butanoic acid.

Explanation

To convert butanal (CH3CH2CHO) to butanoic acid (CH3CH2COOH), we can use an oxidation reaction. Here are the steps involved in the transformation along with the chemical reaction:

### Step-by-Step Solution:

1. **Identify the Reactants and Products**:
- Reactant: Butanal (CH3CH2CHO)
- Product: Butanoic acid (CH3CH2COOH)

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