An excess of dilute sulphuric acid reacts with both aqueous barium hydroxide and aqueous barium chloride respectively. In what way are the two reactions the same? *
A gas is evolved
An insoluble salt is formed
Their final pH is 7
A base is produced
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Answer:
Correct Option Is C
Their Final pH Is 7
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Both processes are similar as an insoluble salt is formed. (option 2)
The reaction of dilute sulfuric acid with barium hydroxide
- Barium hydroxide is a strong base, whereas dilute sulfuric acid is moderately strong.
- They undergo a neutralization reaction to form salt and water.
- The equation is:
H₂SO₄ + Ba(OH)₂ → BaSO₄ + 2H₂O
barium sulfate
Barium sulfate precipitates as a white solid.
The reaction of Sulfuric Acid and Barium Chloride
- As in the case of barium hydroxide and sulfuric acid, a displacement reaction occurs.
- The equation is:
H₂SO₄ + BaCl₂ → BaSO₄ + 2HCl
Here also, barium sulfate precipitates out as a white solid.
Thus, the correct option is 2. An insoluble salt is formed.
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