Question

Two salts are dissolved in water separately. When phenolphthalein is added to the two solutions, one solution turned pink and the other solution was colourless. How do you justify this ?

Answer 1

(i) nature of solution where phenolphthalein is pink and colourless.
(ii) nature of the comonents produced on hydrolysis of salts
(iii) relation between the components produced and the colour change of indicator