MCQ
A solution turns phenolphthalein indicator pink. The most likely pH of this solution will be:
- A6
- B4
- ✓9
- D7
✓
Answer
Correct option: C.
9
Every substance with a pH greater than 7 is considered basic or alkaline. Basic or alkaline solutions turn phenolphthalein indicator pink. Thus, the pH of the solution is most likely 9.
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