On adding a drop of barium chloride solution to an aqueous solution of
sodium sulphite, white precipitate is obtained.
(a) Write a balanced chemical equation of the reaction involved.
(b) What other name can begiven to this precipitation reaction?
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a)On adding a drop of Barium Chloride solution to an aqueous solution of sodium sulphite, white precipitate is obtained.This white precipitate is a barium sulphite.
BaCl2 + Na2SO3------>BaSO3 + 2NaCl
b) This reaction is also a double displacement reaction.
c) On adding dilute hydrochloric acid to the reaction mixture, Barium Chloride ,Sulphur dioxide and water are formed. Since Barium chloride is a soluble substance thus, white precipitate disappears.
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BaSO3 + HCl --------> BaCl3 + SO2 + H2O
Explanation:
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