Question
What is the sequence by which the anions below will precipitate out of solution as the concentration of lead(II)
ions is increased? (Ksp of: PbCrO4=2.8×10-13, PbSO4=6.3×10-7, PbF2=3.6×10-8)
a.PbSO4, PbCrO4, PbF2
b.PbCrO4, PbF2, PbSO4
c.PbCrO4, PbSO4, PbF2
d.PbF2, PbSO4, PbCrO4
Science