`pH` for the solution of salt undergoing anionic hydrolysis (say `CH_(3)COONa`) is given by:
A. `7-(1)/(2)pK_(a)+(1)/(2)log C`
B. `(1)/(2)pK_(w)+(1)/(2)pK_(b)+(1)/(2)logC`
C. `(1)/(2)pK_(w)-(1)/(2)pK_(b)-(1)/(2)logC`
D. `(1)/(2)pK_(w)+(1)/(2)K_(a)+(1)/(2)logC`