Laboratory Report for Experiment 14

Laboratory Report for Experiment 14 - Laboratory Report for...

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Unformatted text preview: Laboratory Report for Experiment #14: Qualitative Analysis of Anions Kevin Ho Chem106, Section 10, Elsa 10/04/11 Summary: This experiment was designed to show the reactions of seven different anions using five different tests. The anions used were bromide, chloride, carbonate, sulfate, oxalate, nitrate, and iodide. The tests used included reactions with 3M sulfuric acid, 18M sulfuric acid, silver nitrate, calcium and bromide, and permanganate ion. The recorded observations from these test will be used in future experiments to determine unknown anions. Results: Test I Cl- Cl- (s) + H + (aq) HCl (g) Br- Br- (s) + H + (aq) HBr (g) I- I- (s) + H + (aq) HI (g) SO 4 2- SO 4 2- + H + (aq) no observed rxn CO 3 2- CO 3 2- (s) + H + (aq) CO 2(g) + H 2 O (l) CO 3 2- CO 2(g) + H 2 O (l) H 2 CO 3(aq) C 2 O 4 2- C 2 O 4 2- + H + (aq) no observed rxn NO 3- NO 3- + H + (aq) HNO 3(g) Test II Cl- Cl- (s) + H + (aq) HCl (g) Br- 2Br- (s) + SO 4 2- (aq) +4H + (aq) Br 2(l) +SO 2(g) +2H 2 O (l) I- 8I- (s) + SO 4 2- (aq) +10H + (aq) 4I 2(l) +H 2 S (g) +4H 2 O (l) SO 4 2- SO 4 2- (s) + H + no observed rxn CO 3 2- CO 3 2- (s) + H + (aq) CO 2(g) + H 2 O (l) CO 3 2- CO 2(g) + H 2 O (l) H 2 CO 3(aq) C 2 O 4 2- C 2 O 4 2- + H + (aq) no observed rxn NO 3- NO 3- + H + (aq) HNO 3(g) Test III Cl- Cl- (aq) + Ag + (aq) AgCl (s) Br- Br- (aq) + Ag + (aq) AgBr (s) I- I- (aq) + Ag + (aq) AgI (s) SO 4 2- SO 4 2- (aq) + Ag + (aq) no observed rxn CO 3 2- CO 3 2- (aq) + Ag + (aq) no observed rxn C 2 O 4 2- C 2 O 4 2- (aq) + Ag + (aq) no observed rxn NO 3- NO 3- (aq) + Ag + (aq) no observed rxn Test IV Anions Ba 2+ Ca 2+ Cl- Cl- (aq) + Ba 2+ (aq) no observed rxn Cl- (aq) + Ca 2+ (aq) no observed rxn Br- Br- (aq) + Ba 2+ (aq) no observed rxn Br- (aq) + Ca 2+ (aq) no observed rxn I- I- (aq) + Ba 2+ (aq) no observed rxn I- (aq) + Ca 2+ (aq) no observed rxn SO 4 2- SO 4 2- (aq) + Ba 2+ (aq) BaSO 4(s) SO 4 2- (aq) + Ca 2+ (aq) no observed rxn CO 3 2- CO 3 2- (aq) + Ba 2+ (aq) BaCo 3(s) CO 3 2- (aq) + Ca 2+ (aq) CaCO 3(s) C 2 O 4 2- C 2 O 4 2- (aq) + Ba 2+...
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Laboratory Report for Experiment 14 - Laboratory Report for...

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