why is sodium always stored in kerosene Why sodium always kept kerosene ?
One interesting phenomenon that we often encounter in our day-to-day lives is the unique behavior of sodium when it comes in contact with water. While most metals would sink in water due to their higher density, sodium, on the other hand, floats on water’s surface. This peculiar property of sodium has piqued the curiosity of many scientists and science enthusiasts alike, prompting them to explore the underlying reasons behind this behavior.
Why Sodium Floats?
The reason why sodium floats on water is that it is an alkali metal. Alkali metals are very reactive and possess a single electron in their outermost shell, making them highly unstable. As soon as these metals come in contact with water, they react vigorously, producing hydrogen gas and water-soluble salts. When sodium reacts with water, it produces sodium hydroxide, which can dissolve in water.
This reaction produces a lot of heat, which vaporizes the water around the sodium particle, creating a thin layer of steam. The steam produces an upward buoyant force that helps the sodium float on the water’s surface. Additionally, the hydrogen gas produced by the reaction also creates a small amount of lift, further assisting sodium to stay afloat.
Why Is Sodium Stored In Kerosene?
Sodium is an extremely reactive metal that can react violently with air, moisture, and even oil. To prevent sodium from catching fire and reacting with moisture in the air, it is stored in kerosene or other oil-based liquids. Kerosene helps create a layer of oil on the surface of the sodium, preventing the metal from oxidizing and reacting with the air.
Kerosene also helps to slow down the reaction when sodium comes in contact with water. The oil-based liquid prevents the sodium particles from spreading too quickly, giving scientists enough time to take the necessary precautions. Without this additional layer of protection, the reaction could be potentially explosive and hazardous to handle.
In Conclusion
The unique properties of sodium make it an interesting element to study. From its ability to float on water to its need for oil-based storage, sodium continues to intrigue scientists and everyday people alike. Understanding the science behind the peculiar behavior of sodium can help us stay safe while handling this highly reactive element.
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