Bleaching powder preparation using Hasenclever plant or bachman plant . . .
Dear Student,
Hasenclever plant is used to prepare bleaching powder.
In this plant, slaked lime is heated with chlorine which results in formation of bleaching powder.
Reaction-
Ca(OH)2 + Cl2 → CaOCl2 + H2O
Bleaching powder is a yellowish white coloured solid substance.Its chemical name is calcium oxychloride.
Hasenclever plant is used to prepare bleaching powder.
In this plant, slaked lime is heated with chlorine which results in formation of bleaching powder.
Reaction-
Ca(OH)2 + Cl2 → CaOCl2 + H2O
Bleaching powder is a yellowish white coloured solid substance.Its chemical name is calcium oxychloride.
It has a strong odour of chlorine gas.
Dilute sulphuric acid and dilute hydrochloric acid react rapidly with bleaching powder to release chlorine gas completely.
Uses of Bleacing Powder:-
It is used
(i) as a disinfectant and germicide especially in the sterilization of drinking water.
(ii) for manufacture of chloroform.
(iii) for making wool unshrinkable.
(iv) as an oxidising agent in industry.
(v) mainly as bleaching agent for cotton, linen and wood pulp.
However, delicate articles like straw, silk, ivory, etc., are not bleached by bleaching powder.
Regards
Regards