An aqueous solution containing a mixture of chloride, bromide, and iodide ions is treated with an excess of silver nitrate, AgNO3(aq)\text{AgNO}_3(\text{aq})AgNO3(aq), to form a precipitate of silver halides.
An excess of dilute aqueous ammonia, NH3(aq)\text{NH}_3(\text{aq})NH3(aq), is then added to this precipitate.
The resulting mixture is filtered.
Which solid compound(s) is/are present in the residue on the filter paper?
AgI\text{AgI}AgI only
AgBr\text{AgBr}AgBr and AgI\text{AgI}AgI
AgCl\text{AgCl}AgCl and AgBr\text{AgBr}AgBr
AgCl\text{AgCl}AgCl, AgBr\text{AgBr}AgBr, and AgI\text{AgI}AgI
