Which compound is formed when a secondary alcohol is oxidized ?

Explanation

To determine the compound formed when a secondary alcohol is oxidized, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Structure of a Secondary Alcohol**:
A secondary alcohol has the general structure R1R2C(OH)R3, where the carbon atom bearing the hydroxyl group (–OH) is connected to two other carbon atoms (R1 and R2).

2. **Understand the Oxidation Process**:
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