A few drops of phenolphthalein indicator was added to an unknown solution A. It acquired pink color. Now another solution B was added to it drop wise and the solution ultimately became colorless. Predict the nature of the solution A and B.

5 views

1 Answers

Sol `A` is basic in nature as phenolphthalein has imparted pink colour to it. Sol `B` is an acid it has made solution A colourless by neutralizing by its basic effect.

5 views