All of the following ionic compounds are only slightly soluble in pure water. Which of those will show increased solubility if the pH of the solution is decreased due to adding a small amount of HNO3?
a) PbF2
b) FePO4
c) MgSO4
d) CuI
e) TlBr3
f) Al(OH)3
O1. c and f
O2. a and d
O3. a, b, and f
O4. a, c, and d
O5. Only e
O6. b, c, and e