when does phenolphthalein turn pink?\n in the presence of a base\n in the presence of an acid\n when it is…
when does phenolphthalein turn pink?\n in the presence of a base\n in the presence of an acid\n when it is in a neutral solution\n when it is reacting with a metal
Answer
Brief Explanations:
Phenolphthalein is an indicator. It turns pink in basic solutions due to a color - change reaction with hydroxide ions. In acidic and neutral solutions, it remains colorless. It does not turn pink when reacting with metals.
Answer:
in the presence of a base