ACIDS, BASES and SALTS
302928
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
1 Basic.
2 Either acidic or basic.
3 Either acidic or neutral.
4 Either basic or neutral.
Explanation:
Either acidic or neutral.
Phenolphthalein is colourless in acidic and neutral medium but turns pink when introduced in basic medium.