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 1: Understand the Context of Miller's Experiment
Miller's experiment, conducted by Stanley Miller and Harold Urey in 1953, aimed to simulate the conditions of early Earth to investigate the chemical origins of life. They used a mixture of gases that were believed to be present in the early atmosphere.

**Hint:** Familiarize yourself with the purpose and setup of Miller's experiment to understand its significance in the study of the origin of life.

### Step 2: Identify the Gases Used
In the experiment, Miller used a mixture of methane (CH₄), ammonia (NH₃), hydrogen (H₂), and water vapor. These gases were chosen to replicate the reducing atmosphere of early Earth.

**Hint:** Remember the specific gases used in the experiment, as they are crucial for understanding the conditions simulated.

### Step 3: Determine the Temperature
The experiment required a specific temperature to facilitate chemical reactions among the gases. According to the video transcript, the flask was heated to a temperature of 800 degrees Celsius.

**Hint:** Pay attention to the details provided in the context of the experiment, especially numerical values related to temperature.

### Step 4: Evaluate the Options
The question provides four options: 800°C, 1200°C, 200°C, and 400°C. Based on the information from the experiment, we can conclude that the correct answer is 800°C.

**Hint:** Cross-reference the options with the information gathered from the experiment to identify the correct answer.

### Final Answer
The temperature at which Miller's flask was kept during the experiment was **800 degrees Celsius**.

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