Question

naphthalene indicator is which indicator​

Answer 1

Phenolphthalein is a chemical compound with the formula C₂₀H₁₄O₄ and is often written as "HIn" or "phph" in shorthand notation. 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. Wikipedia

Formula: C20H14O4

Solubility in other solvents: Insoluble in benzene or hexane, very soluble in ethanol and ether, slightly soluble in DMSO

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Answer 2

napthalene turns colourless in acidic solution and pink in basic solution.

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