What is the pH range for the color change of phenolphthalein? Explain why phenolphthalein could be used for such titrations.

Question

anonymous · Answer

Its pH range is between 8.0 and 10.0. For neutralizations, it is selected when the end point of the titration is within this pH range.

It is not clear in your question what you mean by "such titrations". It is out of context.

anonymous · Answer

Phenolphthalein is used with strong acid and strong base like HCl and NaOH , respectively. The colour change from acid to base is colourless to pink .