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