Question

experiment 3 pt.1, & pt.2: worksheet q.10
what does a clear or transparent solution indicate in a chemical reaction?
a a precipitate has formed
b no precipitate is present
c the solution is acidic
d the solution is basic

Explanation:

• Option A: A precipitate is a solid that forms in a solution, so a precipitate forming would make the solution cloudy or have solid particles, not clear. So A is incorrect.
• Option B: A clear or transparent solution means there are no solid precipitates present, as precipitates would make the solution turbid. This matches the observation of a clear solution.
• Option C: The acidity of a solution is determined by the concentration of $\ce{H+}$ ions, not by the clarity of the solution. A solution can be acidic and clear or acidic and turbid (if there are other substances), so clarity doesn't indicate acidity.
• Option D: Similarly, the basicity (concentration of $\ce{OH-}$ ions) of a solution is not indicated by its clarity. A basic solution can be clear or turbid depending on other components, so clarity doesn't mean the solution is basic.

Answer:

B. No precipitate is present