Question

There are no change in colour when phenolphalein is added to a solution then that solution is​

Answer 1

Answer:

In alkaline solution, phenolphthalein gives pink color as it works as an indicator which shows its endpoint when it reacts with hydroxide ions of the base. It is a commonly used indicator in acid-base titrations. In acidic solution when acid is added, phenolphthalein gives a colorless solution.

Answer 2

Answer:

The answer is Alkaline solution