Explain phenolphthalein is an acid base indicator

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Phenolphthalein is an acid base indicator. What color does it possess in the presence of excess hydrogen (i.e., hydronium) ions?

What color does it possess in the presence of excess hydroxide ions?

What color would you expect phenolphthalein to be after being added to the solution left after an alkali metal reacts completely with water?

Reference no: EM13229620

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