What happens when a few drops of acetic acid are added to a test tube containing phenolphthalein?


When a few drops of acetic acid are added to a test tube containing phenolphthalein, the phenolphthalein remains colourless due to the acidic medium.

Note: Phenolphthalein is an indicator which turns colourless in acidic media and pinkish red in basic media.


9
1