See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

2 1 2 a 2 2 S H K S       Where, S1 = solubility at pH = 7 S2 = solubility at pH = 3 2 H H       ion concentration at pH = 3 8 3 5 a 6 10 10 K 10 10        a pK 5 