Question

How can we identify between acid and neutral solution by phenolphthalein test because in both it remains colourless?​

Answer 1

Answer:

Phenolphthalein is a weak acid and is colorless in solution although its ion is pink. If hydrogen ions (H+, as found in an acid) were added to the pink solution, the equilibrium would switch, and the solution would be colorless.

Answer 2

Answer:

Phenolphthalein is a weak acid and is colorless in solution although its ion is pink. If hydrogen ions

(H+, as found in an acid)

were added to the pink solution, the equilibrium would switch, and the solution would be colorless.

Explanation:

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