2. For the following redox reactions, identify the half- reactions and label them whether oxidation or reduction. 2+ 2+ + Ni²+ ( + Niº (aq) → Ni(s) + Cu (aq) 3+ a. Cu b. 2Fe (s) 2+ (aq) + 3 Ba(s) →3 Ba²+ (aq) + 2 Fe(s) 2+ 1+ c. Znl Zn (aq) // Ag (aq) / Ag d. Cd, I Cd)aq)// HIH, 2(a)

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter3: Chemical Reactions
Section: Chapter Questions
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2. For the following redox reactions, identify the half- reactions and label them
whether oxidation or reduction.
2+
2+
+ Ni²+ (
(s)
+ Ni^ (aq)→ Ni(s) + Cu (aq)
3+
2+
→3 Ba (aq) + 2 Fe(s)
a. Cu
b. 2Fe (aq) + 3 Ba(s)
2+
c. Znl Zn²+ (aq) // Ag¹+ (aq) / Ag
d. Cả ! cả*)aq)/l H**/ H2)
Cd
(s)
HIH,
2(g)
Transcribed Image Text:2. For the following redox reactions, identify the half- reactions and label them whether oxidation or reduction. 2+ 2+ + Ni²+ ( (s) + Ni^ (aq)→ Ni(s) + Cu (aq) 3+ 2+ →3 Ba (aq) + 2 Fe(s) a. Cu b. 2Fe (aq) + 3 Ba(s) 2+ c. Znl Zn²+ (aq) // Ag¹+ (aq) / Ag d. Cả ! cả*)aq)/l H**/ H2) Cd (s) HIH, 2(g)
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(provide the given and required to find in the problem)

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1. Write a balanced chemical equation for the overall reaction in each of the
following and identify which electrode is positive.
4+
2+
Ag* (aq) // Sn** (aq)/ Sn²
a. Ag
(s)
₂3+,
2+,
b. Al Al (aq) // Cu (aq) / Cu,
(s)
2+
(aq) // Sn²+ (aq) / Sn (s)
c. Mg Mg
(s)
Transcribed Image Text:1. Write a balanced chemical equation for the overall reaction in each of the following and identify which electrode is positive. 4+ 2+ Ag* (aq) // Sn** (aq)/ Sn² a. Ag (s) ₂3+, 2+, b. Al Al (aq) // Cu (aq) / Cu, (s) 2+ (aq) // Sn²+ (aq) / Sn (s) c. Mg Mg (s)
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