Question

what is phenolphthalein​

Answer 1

Answer:

a colourless crystalline solid (pink in alkaline solution) used as an acid–base indicator and medicinally as a laxative.

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Answer 2

ANSWER

Phenolphthalein is a synthetic indicator and it is commonly used in acid-base titration.

Phenolphthalein undergoes a colour change according to the pH of the solution.

It is colourless in acidic and neutral medium whereas it changes it's colour to pink in basic medium.

Explanation:

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