Question

1) Choose the correct option and write the answer.
Phenolphthalein is a synthetic indicator and its colour in acidic and basic solutions,
respectively are:
(a) red and blue
(b) blue and red
(c) pink and colourless
(d) colourless and pink​

Answer 1

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Answer 2

Answer:

(d) colourless and pink

Explanation:

• Phenolphthalein becomes colourless when reacts with acidic medium.

• Phenolphthalein becomes pink when it reacts with basic medium.

Hope this answer helps ✨