JEE Main2008ChemistryIonic EquilibriumActual
The pK _ a of a weak acid, HA , is 4.80 . The pK _ b of a weak base, BOH , is 4.78 . The pH of an aqueous solution of the corresponding salt, BA, will be
Options
- A9.58
- B4.79
- C7.01
- D9.22
Correct answer
C. 7.01
Step-by-step solution
It is a salt of weak acid and weak base aligned & [ H ⁺ ]= K _ w K _ a K _ b & pH =7.01 aligned