When does phenolphthalein turn pink?

1 Answer
Jun 15, 2017

Answer:

At a #pH# of around about #8#.........

Explanation:

Phenolphthalein is one of the best indicators to vizualize......in acidic solution #pH=0-8#, the solution is colourless; at #pH=8.2# we see a colour change to pink/fuchsia........