How is ethene prepared from ethanol ? Give the reaction involved in it.

Explanation

To prepare ethene from ethanol, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Reactants**: The reactant we are using is ethanol (C2H5OH), and we will be using concentrated sulfuric acid (H2SO4) as a dehydrating agent.

2. **Set the Reaction Conditions**: The reaction is typically carried out at a temperature of around 160 degrees Celsius. This temperature is necessary to facilitate the dehydration process.

...