Advertisements
Advertisements
प्रश्न
A white powdery substance having strong smell of chlorine is used for disinfecting drinking water supply at waterworks. Identify the substance. Give its chemical name and write the chemical reaction for its preparation.
Advertisements
उत्तर
Bleaching powder is a white powder that emits a strong smell of chlorine and is used for disinfecting the drinking water supply at waterworks.
The chemical name of bleaching powder is calcium oxychloride (CaOCl2).
The chemical reaction that occurs during its preparation is as follows:
\[\ce{Ca(OH)2 + Cl -> CaOCl2 + H2O}\]
APPEARS IN
संबंधित प्रश्न
What is the common name of the compound CaOCl2?
Write the chemical name of bleaching powder and write its properties.
Which compound of calcium is used for disinfecting drinking water supply?
Name one compound of calcium which is used for removing the colour of a coloured cloth.
Name the substance obtained by the action of chlorine on solid (dry) slaked lime.
Which is the real bleaching agent present in bleaching powder?
What is “baking powder”?
State two uses of the following compound:
Chlorine
How is bleaching powder prepared? Write a chemical equation of the reaction involved in the preparation of bleaching powder.
What happens when bleaching powder reacts with dilute sulphuric acid? Give equation of the reaction involved.
State two important uses of bleaching powder.
Consider the following substances:
NaCl, Ca(OH)2, NaHCO3, NH3, Na2CO3, H2O, Cl2, CO2, CaSO4.2H2O, 2CaSO4.H2O, CaOCl2
- Which two substances combine to form bleaching powder?
- Which four substances are utilised in the production of washing soda?
- Which compound represents plaster of Paris?
- Which compound is a part of baking powder?
- Which compound is used as an antacid?
Write the chemical formula.
Bleaching powder
The reaction between MnO2 with HCl is depicted in the following diagram. It was observed that gas with bleaching abilities was released.
The chemical reaction between MnO2 and HCl is an example of:
