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CGP EDU Academic Team
Published on: August 14, 2026
BaCl 2 solution gives a white precipitate with a solution of a salt, which dissolves in dilute hydrochloric acid with the evolution of colourless, pungent smelling gas. The gas as well as the salt both are used as bleaching agent in the textile industries. The salt contains:
Text Solution
Verified by ExpertsThe correct answer is:
A
Ba 2+ + SO 3 2– ⎯→ BaSO 3 
(white)
BaSO 3 + 2HCl ⎯→ BaCl 2 + SO 2 (colourless pungent smelling gas) + H 2 O
SO 3 2– and SO 2 both act as bleaching agent.
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