Name the compound formed by the oxidation of ethyl benzene by `KMnO_(4)`.

Explanation

To determine the compound formed by the oxidation of ethyl benzene using potassium permanganate (KMnO₄), we can follow these steps:

### Step 1: Identify the Structure of Ethyl Benzene
Ethyl benzene is an aromatic compound with the formula C₈H₁₀. Its structure consists of a benzene ring (C₆H₅) attached to an ethyl group (C₂H₅).

**Hint:** Draw the structure of ethyl benzene to visualize the oxidation process.

### Step 2: Understand the Oxidation Process
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