MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryIonic equilibriumPrevious Year Questions
Solubility product of a salt AB is 1 × 10–8 M2 in a solution in which the concentration of A+ ions are 10–3M. The salt will precipitate when the concentration of B– ions is kept (AFMC 2008)
A.between 10–8 M to 10–7 M
B.between 10–7 M to 10–8 M
C.10–5 M✓ Correct
D.< 10–8 M
Explanation
For the precipitation to occur, its ionic product should exceed solubility product. sp + 8 3 8 8 3 5 AB A B K [A ][B ] [A ][B ]>1×10 1×10 [B ]>1×10 [B ]>1×10 /1×10 >1×10
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