how does phnopthalein looks like ?
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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. ... The nonionized phenolphthalein molecule is colorless, the protonated phenolphthalein ion is an orange, and the deprotonated phenolphthalein ion is fuchsia.
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As an indicator of a solution’s pH, phenolphthalein is colourless below pH 8.5 and attains a pink to deep red hue above pH 9.0.Phenolphthalein, normally colourless, attains a deep red hue above pH 10.0.
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