Question

Plz tell what is the original colour of phenolophthalein . And plz answer (i) only.
BOARDS PPR. Plz asap

Answer 1

The color of the compound depends on whether it is in an acidic or basic medium. Week acids are colorless, and it gives its ions the bright pink color. When adding the hydrogen ions or H + ions to it, it turns colorless

Answer 2

Phenolophthalein is colorless but in basic solution it turns into pink color.