Sail E0 Webinar
Question


On adding phenolphthalein indicator to a colourless solution, no change is observed. What can be the nature of this solution?


Options:
A .   Alkaline
B .   Acidic or neutral
C .   Acidic or alkaline
D .   Alkaline or neutral
Answer: Option B
:
B
Phenolphthalein is an acid-base indicator which is colourless in acidic and neutral solutions. It turns pink to red in alkaline solutions.

Was this answer helpful ?
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers