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When bleaching powder (calcium hypochlorite) is added to water, it releases chlorine gas. This occurs as the compound reacts with water, producing hypochlorous acid and releasing chlorine. The reaction can be represented as follows: Ca(OCl)₂ + 2H₂O → Ca(OH)₂ + 2HOCl, where the hypochlorous acid can then decompose to release chlorine gas.
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Which element is responsible for bleaching in bleaching powder?
Chlorine is the element responsible for bleaching in bleaching powder, also known as calcium hypochlorite. When bleaching powder is dissolved in water, it releases chlorine gas, which has bleaching properties that help remove stains and disinfect surfaces.
How does bleaching powder help in purification of water?
Bleaching powder helps in the purification of water by releasing chlorine, which is a powerful disinfectant that kills bacteria, viruses, and other harmful microorganisms present in the water. This process helps to make the water safe for consumption by destroying pathogens and reducing the risk of waterborne diseases.
How does bleaching powder act as a sterilising agent?
Bleaching powder acts as a sterilizing agent because it releases chlorine when dissolved in water, which has strong oxidizing properties that can kill bacteria, viruses, and other microorganisms by disrupting their cellular structures and functions. It is commonly used to disinfect water, surfaces, and medical equipment in various settings.
How does bleaching powder eradicate microbes from water?
Bleach liberates chlorine and chlorine is a powerful oxidising agent. Oxidation of the structure of the microbe destroys/kills it.
What gas dissolved in water that acts as a bleaching agent present in bleaching solution?
Chlorine gas dissolves in water to form a bleaching agent known as hypochlorous acid which is present in bleaching solutions.
Is bleaching powder acid or base?
Bleaching powder, also known as calcium hypochlorite, is a basic compound. It is an inorganic salt that releases hypochlorite ions in water, which can act as a strong oxidizing agent and is commonly used as a bleaching agent.
Can bleaching powder make hard water soft?
yes
Which element is responsible for bleaching in bleaching powder?
Chlorine is the element responsible for bleaching in bleaching powder, also known as calcium hypochlorite. When bleaching powder is dissolved in water, it releases chlorine gas, which has bleaching properties that help remove stains and disinfect surfaces.
Can you bleach hair with powder bleach and water?
No, it is not recommended to bleach hair using powder bleach and water alone. Bleaching hair requires a specific bleaching powder, developer, and proper technique to be effective and minimize damage. It is best to consult a professional hairstylist for safe and effective bleaching.
Why does bleaching powder smell of chlorine in damp air?
When bleaching powder (calcium hypochlorite) is exposed to damp air, it reacts with water to release chlorine gas. This characteristic smell of chlorine gas is what you detect when using or opening a container of bleaching powder in damp conditions.
Why does bleaching powder act as bleaching agent?
Bleaching powder, or calcium hypochlorite, acts as a bleaching agent due to its ability to release chlorine when mixed with water. The chlorine molecules break down molecules that give colors to substances, allowing them to become colorless. This makes bleaching powder effective in removing stains and whitening fabrics.
Why do bleaching powder smell strongly like chlorine?
Bleaching powder, also known as calcium hypochlorite, releases chlorine gas when it reacts with water. The strong smell comes from this chlorine gas being released, which is reminiscent of the smell of chlorine in swimming pools.
What happen when ethanol is heated with bleaching powder and water?
When ethanol is heated with bleaching powder (calcium hypochlorite) and water, it can undergo oxidation to form acetaldehyde. The bleaching powder provides the chlorine necessary for this oxidation reaction to occur. This reaction is typically used in organic chemistry for the transformation of alcohols into aldehydes or ketones.
Is HClO also called available chlorine when water is disinfected using bleaching powder?
yep
How does bleaching powder help in purification of water?
Bleaching powder helps in the purification of water by releasing chlorine, which is a powerful disinfectant that kills bacteria, viruses, and other harmful microorganisms present in the water. This process helps to make the water safe for consumption by destroying pathogens and reducing the risk of waterborne diseases.
How do you calculatebleaching powder quantity for chlorination?
To calculate the quantity of bleaching powder needed for chlorination, you first need to determine the amount of chlorine required for disinfection based on the characteristics of the water. Then, you can use the formula: Quantity of bleaching powder (kg) = Quantity of chlorine required (kg) / Available chlorine content (%). Make sure to follow safety guidelines and regulations for handling and dosing bleaching powder.
Why bleaching powder give a typical smell in air?
it gradually looses its color.
