what are uses of following compounds 1)bleaching power 2)washingsoda
Answers
Answer:
Bleaching powder or Calcium hypochlorite (CaOCl2) is mixed salt have two type of anion Cl-(chloride ion ) and OCl-(hypochlorite ion) .it act as oxidizing agent and bleaching agent
.
Bleaching powder has a lot of uses.
■ It is used for bleaching silk and wool.
It is mainly used as bleaching agent for cotton, linen and wood pulp.
Bleaching action of bleaching powder is due to oxidation and it is permanent
CaOCl2 + H2O——-Ca(OH)2 + Cl2
Cl2 + H2O——- O +2HCl
COLOR+O—-> COLORLESS
■ Bleaching powder is used s disinfectant and germicide especially in the sterilization of drinking water.
■ It is used for manufacturing of chloroform.
■ It is used as an oxidising agent in many chemical industries to obtain various chemical products.
C2H5OH+Cl2—->CH3CHO + 2HC
Uses: Washing soda is used:
In laundries and in softening of water as washing soda.
In the manufacture of glass,sodium silicate, paper,borx,soap powder, caustic soda,etc.
As a laboratory reagent.
In textile and petroleum refining.
For the preparation of various carbonates of metals.
Explanation:
1)Bleaching powder is a pale yellowish powder existing with a strong smell of chlorine.
It is soluble in water but due to the presence of impurities, we never observe a clear solution.
Its chemical formula is CaOCl2 with its chemical name as Calcium hypochlorite.
2)Washing soda is a chemical compound with the formula Na2CO3, known as sodium carbonate, and it's a salt of carbonic acid. Some use washing soda to make homemade laundry detergent, to clean especially in hard water, and some even use it as a laundry additive to soften water.