To the Pb(NO 3 ) 2 solution with dilute H 2 SO 4 solution i…

Chemistry Ionic Equilibrium Common Ion Effect, Isohydric Solutions, Solubility Product, Ionic Product of Water and Salt Hydrolysis Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

To the Pb(NO 3 ) 2 solution with dilute H 2 SO 4 solution is added gradually, then

PbSO 4 (s) is precipitated

Initially with the addition of dilute H 2 SO 4 ,the solubility of PbSO 4 is decreased

On addition of large excess of dilute H 2 SO 4 , again the solubility of PbSO 4 is increased

All of the above would occur

Text Solution

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The correct answer is:

On addition of large excess of dilute H 2 SO 4 the solubility of PbSO 4 is increased because of the formation of soluble Pb(HSO 4 ) 2

PbSO 4 + H 2 SO 4 ⎯→ Pb(HSO 4 ) 2

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