Chemistry, asked by sarveshtiwari3878452, 9 months ago

a test tube contain solution of any weight and phenolphthalein why the colour of solution change when hcl in added to it

Answers

Answered by Anonymous

Answer:

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Explanation:

When HCl is added to a solution of NaOH and phenolphthalein, its nature changes because of neutralisation and the resultant solution becomes neutral. Therefore the color of solution changes from pink to colorless.

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Answered by sweetybee

Explanation:

phenolphthalein phenolphthalein is an actually a base indicator which tense is solution into pink colour if HCL which is an acidic indicator solution when it added to the base like phenolphthalein it utilizes the pH of the basic solution of phenolphthalein to the pH of 7

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