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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 IS THE REAL BLEACHING AGENT PRESENT IN BLEACHING POWDER?
The real bleaching agent present in bleaching powder is calcium hypochlorite (Ca(OCl)₂). It releases chlorine when dissolved in water, which acts as a powerful oxidizing agent, effectively bleaching and disinfecting various materials. Bleaching powder is commonly used for water treatment and sanitation purposes due to its ability to kill bacteria and remove stains.
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.
Does bleaching powder contains water of crystalisation?
Bleaching powder, chemically known as calcium hypochlorite (Ca(OCl)₂), typically does not contain water of crystallization in its commercial form. It is usually found as a dry powder. However, it can absorb moisture from the air, which may lead to the formation of a hydrated form if stored improperly. Therefore, while it does not inherently contain water of crystallization, it can interact with moisture in its environment.
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 much bleaching powder should be added to 1000 liters of water?
The amount of bleaching powder to be added to 1000 liters of water depends on the desired concentration and purpose. For disinfection, a common recommendation is to use about 2-5 grams of bleaching powder per liter of water, translating to 2000-5000 grams (or 2-5 kg) for 1000 liters. Always follow specific guidelines or recommendations based on the intended use and consult local health regulations to ensure safety and efficacy.
WHICH IS THE REAL BLEACHING AGENT PRESENT IN BLEACHING POWDER?
The real bleaching agent present in bleaching powder is calcium hypochlorite (Ca(OCl)₂). It releases chlorine when dissolved in water, which acts as a powerful oxidizing agent, effectively bleaching and disinfecting various materials. Bleaching powder is commonly used for water treatment and sanitation purposes due to its ability to kill bacteria and remove stains.
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.
Why it is necessary to make paste first before making solution of bleaching powder?
Making a paste of bleaching powder before dissolving it in water is necessary to ensure even distribution and prevent clumping. The paste allows for better interaction between the powder and water, facilitating a more uniform solution. This method enhances the solubility of the bleaching powder and ensures that the active chlorine is effectively released for its intended use. Additionally, it minimizes the risk of creating hazardous dust during the mixing process.
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
