You need to know the solubility rules.
Here is a simplified set of rules.
http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
Which of the following pairs of compounds will give a precipitate in a diluted solution?**
a) Cu(NO3)2 and Na2CO3
b) KNO3 and NaCl
c) MgCl2 and Ba(NO3)2
d) NH4Cl and Al2(SO4)3
A solution contains I-, Br- and OH- ions. If Ag+ is added, what will the precipitate(s) be?
a) AgOH
b) AgI and AgBr
c) AgOH and AgBr
d) AgOH, AgI and AgBr
2 answers
2. d
1 answer