JEE Main Chemistry question

pH for the solution of salt undergoing anionic hydrolysis (say CH₃COONa) is given by:

• (A)pH = ½[pKw + pKa + log c]Correct
• (B)pH = ½[pKw + pKa − log c]
• (C)pH = ½[pKw + pKb − log c]
• (D)None of the above