Choose incorrect statement.

Options

A. pH of a buffer solution increases from 4 to 5 on addition of 0.01 mole of NaOH in 1 litre. Buffer capactiy of solution is 0.01.
B. Phenolphathalein will be a suitable indicator for titration of weak acid with strong base.
C. Phenolphathalein, methyl orange are suitable indicator for titration of weak acid with base.
D. Solubility of electrolyte `A_(2)B_(3)` is given as : `S=((K_(sp)(A_(2)B_(3)))/(108))^(1//5)`

Answer

c