Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
A
Decomposition reaction
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B
Double displacement reaction
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C
Combination reaction
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D
Precipitation reaction
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Solution
The correct option is D Precipitation reaction When barium chloride (BaCl2) reacts with ammonium sulphate [(NH4)2SO4], it forms white precipitate of barium sulphate (BaSO4) along with ammonium chloride(NH4Cl). There is an exchange of ions which results in the formation of product. So, the given reaction is a precipitation as well as a double displacement reaction. The reaction involved is: