See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

3 4 2 4 2 10 10 10 H PO NaOH NaH PO H O    Let millimole of NaOH further added are ‘x’ 2 4 2 4 2 10 x 0 10 x x NaH PO NaOH Na HPO H O              x pH