Chemistry, asked by Bluelion, 5 months ago

Three solutions A, B and C have the pH values: 2, 11 and 7 respectively. Which one of these
solution will turn Phenolphthalein indicator Pink? Why?
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Answered by student198
0

Solution B (having pH 11) will turn phenolphthalein pink because it's pH is 11 and therefore it is a base. Phenolphthalein is an acid base indicator so it changes its colour to pink in bases (and remains colourless in acids).

Hope it helped u.

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