What happens when ethylbenzene is heated with acidified `K_(2)Cr_(2)O_(7)` ?

Explanation

To solve the question "What happens when ethylbenzene is heated with acidified K2Cr2O7?", we can follow these steps:

### Step 1: Identify the Reactants
We start with ethylbenzene, which has the following structure:
- Ethylbenzene consists of a benzene ring (C6H5) with an ethyl group (C2H5) attached to it.

### Step 2: Understand the Reagent
The reagent used is acidified potassium dichromate (K2Cr2O7). In acidic conditions, K2Cr2O7 acts as a strong oxidizing agent.
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