Here are some general solubility rules: Compounds of group I ions are soluble. N

Question

Here are some general solubility rules: Compounds of group I ions are soluble. Nitrates and chlorates are soluble. Except for the compounds covered by rule 1, carbonates, hydroxides, phosphates, and sulfides are insoluble. Insoluble sulfide compounds are generally black in color. Which of the following combinations could yield a black precipitate? Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate. Imagine that A and B are cations and X, Y, and Z are anions, and that the following reactions occur: AX(aq) + BY(aq) rightarrow no precipitate AX(aq) + BZ(aq) rightarrow precipitate Which of the following choices is insoluble?

Explanation / Answer

Part B:

          Li2S (aq) + Pb(NO3)2 (aq) = 2LiNO3 (aq) + PbS (s)

          2K2S (aq) + Sn(NO3)4 (aq) = 4KNO3 (aq) + SnS2 (s)

Part C:

      The Net Ionic Equation is

                Ag+(aq) + Cl-(aq) = AgCl (s)

Part D:

           AZ is insoluble residue.

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