when does phenolphthalein turn pink?\no in the presence of a base\no in the presence of an acid\no when it…

when does phenolphthalein turn pink?\no in the presence of a base\no in the presence of an acid\no when it is in a neutral solution\no when it is reacting with a metal

when does phenolphthalein turn pink?\no in the presence of a base\no in the presence of an acid\no when it is in a neutral solution\no when it is reacting with a metal

Answer

Brief Explanations:

Phenolphthalein is an indicator. It turns pink in basic solutions. In acidic solutions it is color - less, in neutral solutions it is also color - less, and it doesn't turn pink when reacting with a metal.

Answer:

in the presence of a base