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Which substance fomed precipitates when a reaction occurs between potassium sulfate and barium chloride?
Question

Which substance fomed precipitates when a reaction occurs between potassium sulfate and barium chloride?

A.

Barium chloride

B.

Potassium chloride

C.

Potassium sulfate

D.

Barium sulfate

Correct option is D

The correct answer is: (D). Barium sulfate
When potassium sulfate (K₂SO₄) reacts with barium chloride (BaCl₂), a double displacement reaction occurs, and barium sulfate (BaSO₄) forms as a precipitate. The reaction is as follows:
                  K2SO4(aq)+BaCl2(aq)BaSO4(s)+2KCl(aq)K_2SO_4(aq)+BaCl_2(aq)→BaSO_4(s)+2KCl(aq)
Here:
  • Barium sulfate (BaSO₄) is insoluble in water and forms a white precipitate.
  • Potassium chloride (KCl) remains in the aqueous solution.
Thus, barium sulfate is the substance that forms a precipitate in this reaction.

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