Question

Phenolphthalein indicator turns acidic solutions

Answer 1

Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. ... Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments.

Solubility in water: 400 mg/L

Solubility in other solvents: Insoluble in benzene and hexane; very soluble