C) 2Ni (s) + H2SO4 (aq) Ni2SO4 (aq) + H2 (g) → D) 2Al (s) + 6HBr (aq) 2AlBr3 (aq) + 3 H2 (g) → E) Zn (s) + 2HI (aq) ZnI2 (aq) + H2 (g) → 24) In the following reaction, which substance is being oxidized? 3 Li(s) + AuCl3(aq) 3LiCl(aq) + Au(s) A) Au B) Li C) Cl D) H2O 25) Given that the Activity Series is: Na>Mg>Cu>Ag>Au, which one of the following answers represents the ions that would not be displaced from aqueous solution (reduced) by metallic magnesium? A) Na+ B) Cu2+ C) Cu2+ and Au+ D) Cu2+, Ag+ and Au+ E) Na+, Cu2+, Ag+ and Au+ 26) Which of the following is an oxidation-reduction reaction? A) Cu (s) + 2AgNO3 (aq) 2Ag (s) + Cu(NO3)2 (aq) → B) HCl (aq) + NaOH (aq) H2O (l) + NaCl (aq) → C) AgNO3 (aq) + HCl (aq) AgCl (s) + HNO3 (aq) → D) Ba(C2H3O2)2 (aq) + Na2SO4 (aq) BaSO4 (s) + 2NaC2H3O2 (aq) → E) H2CO3 (aq) + Ca(NO3)2 (aq) 2HNO3 (aq) + CaCO3 (s) →
C) 2Ni (s) + H2SO4 (aq) → Ni2SO4 (aq) + H2 (g) D) 2Al (s) + 6HBr (aq) → 2AlBr3 (aq) + 3 H2 (g) E) Zn (s) + 2HI (aq) → ZnI2 (aq) + H2 (g) 24) In the following reaction, which substance is being oxidized? 3 Li(s) + AuCl3(aq) 3LiCl(aq) + Au(s) A) Au B) Li C) Cl D) H2O 25) Given that the Activity Series is: Na>Mg>Cu>Ag>Au, which one of the following answers represents the ions that would not be displaced from aqueous solution (reduced) by metallic magnesium? A) Na+ B) Cu2+ C) Cu2+ and Au+ D) Cu2+, Ag+ and Au+ E) Na+, Cu2+, Ag+ and Au+ 26) Which of the following is an oxidation-reduction reaction? A) Cu (s) + 2AgNO3 (aq) → 2Ag (s) + Cu(NO3)2 (aq) B) HCl (aq) + NaOH (aq) → H2O (l) + NaCl (aq) C) AgNO3 (aq) + HCl (aq) → AgCl (s) + HNO3 (aq) D) Ba(C2H3O2)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaC2H3O2 (aq) E) H2CO3 (aq) + Ca(NO3)2 (aq) → 2HNO3 (aq) + CaCO3 (s)
Ch%204.1-4.4%20exam%20review.docx