how is bleaching powder prepared? give also chemical reaction?
Answers
Explanation:
Bleaching powder is prepared by passing chlorine gas through a solution of Calcium Hydroxide.
(Ca(OH)2 which is commonly called Slaked Lime.
Reaction:
Ca(OH)2+Cl2 = CaOCl2+ H2O
Answer:
It is prepared by passing chlorine gas (CL₂) over slaked lime (Ca(OH)₂).
Reaction:- Ca(OH)₂ + Cl₂ → Ca(OCl)₂ + H2O
Explanation:
Bleaching powder is also known as calcium hypochlorite or calcium oxychloride Ca(OCL)₂.
Chlorine gas is produced when the bleaching powder reacts with dilute sulphuric acid. The industrial preparation of bleaching powder is done by Hasenclever Method.
It consist of four numbers of hollow horizontal cylinders of iron containing large number of blades which can rotate inside the cylinder with the help of stirring. The uppermost cylinder has a Hopper through which slaked lime is fed in and an outlet for the waste gases to come out. And the lower most cylinder has an inlet through which chlorine gases passes and an outlet for the final outcome of bleaching powder.