Chemistry, asked by shubham130707, 10 months ago

Explain about phenolphthalein indicator

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Answered by kiransagar9915

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. ... It is a weak acid, which can lose H+ ions in solution. The phenolphthalein molecule is colorless, and the phenolphthalein ion is pink.

Chemical formula: C20H14O4

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

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