Test Questions
Check your answers at the bottom of the page.
1) True or false.
The following reaction results in the formation of a precipitate.
Zn2+(aq) + S2-(aq) -> ZnS
2) True or false.
The following reaction results in the formation of a precipitate.
Hg(NO3)2(aq) + KI(aq) --> HgI2+ KNO3
3) Which chemical compound is the precipitate in the reaction?
2KI(aq) + Pb(NO3)2(aq) -> 2KNO3 + PbI
4) Name all three rules in a precipitate reaction.
5) Name the precipitate.
Li+ (aq) + Br- (aq) + Ag+ (aq) + NO3- (aq) -> Li+ + NO3- + AgBr
Answers:
1) True
2) True
3) Pbl
4) Gr 1A ions, No3- ions, NH4+ ions
5)AgBr
The following reaction results in the formation of a precipitate.
Zn2+(aq) + S2-(aq) -> ZnS
2) True or false.
The following reaction results in the formation of a precipitate.
Hg(NO3)2(aq) + KI(aq) --> HgI2+ KNO3
3) Which chemical compound is the precipitate in the reaction?
2KI(aq) + Pb(NO3)2(aq) -> 2KNO3 + PbI
4) Name all three rules in a precipitate reaction.
5) Name the precipitate.
Li+ (aq) + Br- (aq) + Ag+ (aq) + NO3- (aq) -> Li+ + NO3- + AgBr
Answers:
1) True
2) True
3) Pbl
4) Gr 1A ions, No3- ions, NH4+ ions
5)AgBr
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