What changes in color would you expect when phenolphthalein is added to an acid?

Turns pink

No change

Turns colorless

Turns blue

Reviewed & Verified by Edzy Expert

Prof. Rajesh Iyer

CBSE Science Reviewer

Science educator with 10+ years of experience in CBSE Physics, general Science, and computer science curriculum review.

Answer and Solution

C. Turns colorless

Phenolphthalein turns colorless in acidic solutions and pink in basic solutions, indicating its effectiveness as an acid-base indicator.

Watch Video Solution

Keep Practising

Students who asked this also explored

Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Which of the following is a strong base?

Which reaction exemplifies how non-metallic oxides can behave as acids?

What is the result of mixing equal molar amounts of an acid and a base?

Why are acids typically considered corrosive?