Four acids `HA,HB,HC` and `HD` form salts with `NaOH` of `Ph` 7,8,9 and 10 respectively when each solution was `0.1M`, the strongest acid is `:`

Four separate solutions of sodium salts NaW,NaX,NaY and NaZ are having pH 7, 9, 10 and 11 respectively. When each solution was 0.1 M, the strongest acid is

From separate solutions of sodium salts, NaW , NaX , NaY and NaZ have pH 7.0 , 9.0 , 10.0 and 11.0 respectively. When each solution was 0.1 M , the strongest acid is:

From separate solution of four sodium salts NaW, NaX, NaY and NaZ are having pH7, 9, 10 and 11 respectively. When the solution was 0.1 M, the strongest acid is :

pH of separate solution of four potassium salts, KW,KX, KY and KZ are 7.0, 9.0, 10.0 , and 10.5 , respectively. If each solution is 0.2M , the strongest acid would be

pH of separate solution of four potassium salts, KW,KX, KY and KZ are 7.0, 9.0, 10.0 , and 10.5 , respectively. If each solution is 0.2M , the strongst acid would be

pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were found to be 7.0, 9.0, 10.0 and 11.0 respectively. If each solution has concentration 0.1 M, the weakest acid is :

pH of solutions of four sodium salts NaW, NaX, NaY and NaZ were found to be 7.0, 9.0, 10.0 and 11.0 respectively. If each solution has concentration 0.1 M, the weakest acid is :

pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were found to be 7.0, 9.0, 10.0 and 11.0 respectively. If each solution has concentration 0.1 M, the weakest acid is :

pK_(a) values of three weak acids HA, HB and HC are 4.74, 3.35 and 5.24 respectively. The concentration of aqueous solutions of each of the three acids is 0.01 (M). Arrange them in order of increasing pH values.