Question

State the colour of phenolphthalein in soap solution.

Answer 1

Phenolphthalein

1. Phenolphthalein is an indicator which is used in acid-base titrations.
2. In acidic solution phenolphthalein is colourless but it gives pink colour in basic solutions.
3. Soap is generally basic in nature.
4. Phenolphthalein shows pink colour in basic solution and in soap solution.

The color of phenolphthalein in the soap solution is pink.