Question

A few drops of phenol phthalate indicators were added to an unknown solution A it acquired pink colour now another unknown solution B was added to it drop and the solution becomes colorless predict the nature of A and BHIYA

Answer 1

A is basic

B is either neutral or acidic

Answer 2

A few drops of phenolphthalein indicators were added to an unknown solution A. It acquires pink colour. Now another unknown solution B was added to it drop-by-drop & the solution becomes colorless. Predict the nature of A & B.

1. Sol. A = Basic / Alkaline
2. Sol. B = Acidic / Neutral