Question

write changes in colour when phenolphthalein is added to acid and base.​

Answer 1

Answer:

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 other solvents: Insoluble in benzene and hexane; very soluble in ethanol ...

Solubility in water: 400 mg/L

Explanation:

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Answer 2

Answer:

Phenolphthalein is often used as an indicator in acid - base titration . For this application it turns colourless in acidic solution and pink in basic solution.