2 drops of phenolphthalein were added to the potassium hydroxide solution, and the solution turned crimson.
| August 5, 2021 | education
2 drops of phenolphthalein were added to the potassium hydroxide solution, and the solution turned crimson. How the color of the solution will change when an excess of sulfuric acid is added to it.
When an excess of sulfuric acid is added, the solution will become discolored due to a change in the acidity of the solution (at pH <8.2). If the sulfuric acid added to the initial solution has a high concentration, then with a significant excess, a pink color may appear.
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