Formation of ethanol from ethene is called_____(hydration/dehydration).

Explanation

To determine whether the formation of ethanol from ethene is called hydration or dehydration, let's analyze the process step by step.

### Step 1: Understand the Reactants
- Ethene (C2H4) is an alkene, which is a type of hydrocarbon that contains a carbon-carbon double bond.

### Step 2: Identify the Product
- Ethanol (C2H5OH) is an alcohol that contains a hydroxyl group (-OH).

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