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When Bleaching Powder is treated with excess Dil. H2SO4, Cl2 is produced.

CaOCl2 + H2SO4 ----> CaSO4 + H2O + Cl2

CaOCl2 + 2HCl --------> CaCl2 + H2O + Cl2

Chlorine gas produced in this way is known as available chlorine.

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10y ago
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6mo ago

When bleaching powder reacts with dilute sulfuric acid, it will release chlorine gas. This reaction produces hypochlorous acid and chlorides as intermediates. Chlorine gas is a strong oxidizing agent and can be harmful if inhaled, so caution should be exercised when conducting this reaction.

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Q: What will happen if bleaching powder reacts with dil sulfuric acid?
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What happens when bleaching powder reacts with dil sulphuric acid?

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What will be the products when bleaching powder reacts with carbon dioxide?

When bleaching powder reacts with carbon dioxide, calcium carbonate and chlorine gas are produced. Calcium carbonate is a white solid that can precipitate out of solution, while chlorine gas is a greenish-yellow gas with a strong odor.


What happens when bleaching powder reacts with ammonia?

when bleaching powder reacts with ammonia, nitrogen gas is evolved along with calcium chloride and water. The balanced reaction is: 3CaCl(OCl)(s)+2NH3(aq) = 3CaCl2(aq)+N2(g)+3H2O(l)


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.


What happens when bleaching powder reacts with manganese dioxide?

When bleaching powder (calcium hypochlorite) reacts with manganese dioxide, it produces chlorine gas, calcium chloride, and manganese chloride. This reaction is often used in laboratory settings and industrial processes to generate chlorine gas.


Why bleaching powder give a typical smell in air?

it gradually looses its color.


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.


When dilute sulfuric acid reacts with aluminium powder?

When dilute sulfuric acid reacts with aluminum powder, hydrogen gas is produced, along with aluminum sulfate as the salt. The reaction is exothermic and produces heat. This reaction is commonly used in demonstrations to show the reactivity of metals with acids.


What reacts with or changes silver?

Silver reacts with sulfuric and nitric acid.


What metal that reacts with dilute sulfuric acid to produce hydrogen?

Zinc is a metal that reacts with dilute sulfuric acid to produce hydrogen gas.


What gas is given off when magnesium reacts with sulfuric acid?

Hydrogen gas is given off when magnesium reacts with sulfuric acid.


What acid reacts with copper to make copper sulphate?

Sulfuric acid reacts with copper to produce copper sulfate. Copper sulfate is formed when copper reacts with sulfuric acid in the presence of oxygen.