In Miller’s experiment, He used a mixture of `CH_(4)` , `NH_(3)` , `H_(2)` and water vapour in a closed flask to mimic early earth’s conditions. What was the temperature at which this flask was kept?

Options

A. `800^(@)C`
B. `1200^(@)C`
C. `200^(@)C`
D. `400^(@)C`

Answer

To solve the question regarding the temperature at which Miller's experiment was conducted, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Experiment**: Miller's experiment aimed to simulate the conditions of early Earth to explore the origin of life. He used a closed flask containing a mixture of methane (CH₄), ammonia (NH₃), hydrogen (H₂), and water vapor.

2. **Conditions of Early Earth**: The experiment was designed to replicate the atmospheric conditions believed to exist on early Earth. This included high temperatures and the presence of various gases.

3. **Temperature Setting**: In Miller's experiment, the flask was maintained at a high temperature to mimic the conditions of early Earth. Specifically, it was set at **800 degrees Celsius**.

4. **Significance of Temperature**: The high temperature was crucial as it facilitated the chemical reactions among the gases, leading to the formation of organic compounds, which are essential for the development of life.

5. **Conclusion**: Therefore, the temperature at which Miller's flask was kept during the experiment was **800 degrees Celsius**.

### Final Answer:
The temperature at which Miller's flask was kept is **800 degrees Celsius**.

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