Bulb me carbon dioxide bhar denge to kya hoga 💡

What happens when co2 is filled in tangusten bulb
Instead of argon gas
When CO₂ is filled in a tungsten bulb instead of the commonly used inert gases like argon, several negative effects can occur due to the chemical and physical interactions between CO₂ and the tungsten filament. Here’s what happens:
1. **Chemical Reaction with Tungsten**:
- At high temperatures, tungsten can react with CO₂ to form tungsten oxides (such as WO₂) and carbon monoxide (CO). This reaction can be represented as:
\[ \text{W} + \text{CO}_2
ightarrow \text{WO}_2 + \text{CO} \]
- This reaction degrades the tungsten filament, reducing its lifespan.
2. **Increased Filament Evaporation**:
- CO₂ is not inert and can facilitate the evaporation of tungsten. The filament will evaporate more rapidly, leading to a shorter operational life of the bulb.
3. **Blackening of the Bulb**:
- The tungsten oxides formed can deposit on the inner surface of the bulb, causing it to blacken. This blackening reduces the bulb’s light output and efficiency.
4. **Reduced Light Output and Efficiency**:
- The chemical reactions and deposition of tungsten compounds on the bulb surface reduce the filament's efficiency. The light output will decrease over time due to these processes.
5. **Potential for Increased Pressure**:
- As CO₂ breaks down at high temperatures, it may produce gases like CO, which can increase the internal pressure of the bulb. This can lead to bulb rupture or failure.
6. **Reduced Filament Stability**:
- Tungsten filaments are designed to operate in an inert environment to prevent chemical reactions. The presence of CO₂ can lead to instability, causing the filament to become brittle and break more easily.
Detailed Process:
- **Initial Phase**: When the bulb is first turned on, the tungsten filament heats up to very high temperatures (up to 2500°C or more).
- **Chemical Interaction**: CO₂, being a reactive gas, starts to interact with the hot tungsten filament. This results in the formation of tungsten oxides and carbon monoxide.
- **Evaporation and Deposition**: The tungsten oxides formed during the reaction may evaporate and then deposit on the cooler parts of the bulb, leading to blackening.
- **Performance Degradation**: The filament loses mass due to the reaction and evaporation, which leads to thinning and eventual breakage. The bulb’s light output decreases as the filament degrades.
- **Failure**: The bulb fails when the filament breaks or when the bulb becomes too blackened to emit sufficient light.
Conclusion:
Filling a tungsten bulb with CO₂ instead of an inert gas like argon significantly reduces the bulb's performance and lifespan. The reactive nature of CO₂ leads to chemical reactions that degrade the tungsten filament, reduce light output, and ultimately cause the bulb to fail prematurely. This is why inert gases, which do not react with the tungsten filament, are preferred for filling tungsten bulbs.
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#bulbexperiment
#experiment
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