Given the activity series, predict which of the following will react with the cobalt ion, Co2+. Element Half-Reaction Lithium Li Lit + e KK* + e Ва — Ва* + 2 е- Са— Са?* + 2 е Potassium Barium Calcium Magnesium Mg → Mg²+ + 2 e- Al → AI3+ + 3 e- Aluminum Zn → Zn2+ + 2 e- Cr- Cr+ + 3 e- Zinc Chromium Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e- Ni → NI?* + 2 e- Cobalt Nickel Tin Sn- Sn2+ + 2 e- Lead Pb → Pb2+ + 2 e- Hydrogen H2 →2 H* + 2 e- Copper Cu → Cu2+ + 2 e- Silver Ag → Ag* + e" Platinum Pt → Pt2+ + 2 e- Gold Au - Au* + e O A) Ni B) Zn C) Fe2+ D) Cu2+ Reducing strength

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter22: The Chemistry Of The Transistion Elements
Section: Chapter Questions
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Given the activity series, predict which of the following will react with the cobalt ion,
Co2+
Element
Half-Reaction
Li - Lit + e
K K* + e
Ва — Ва?* + 2 е-
Lithium
Potassium
Barium
Calcium
Са— Са* + 2 е-
Magnesium Mg → Mg²+ + 2 e-
Al → A3+ + 3 e
Aluminum
Zinc
Zn→ Zn2+ + 2 e-
Chromium
Cr- Cr+ + 3 e-
Iron
Fe → Fe2+ + 2 e-
Cobalt
Co - Co2+ + 2 e-
Nickel
Ni → Ni2* + 2 e-
Tin
Sn- Sn2+ + 2 e-
Lead
Pb → Pb2+ + 2 e-
Hydrogen
H2 →2 H* + 2 e-
Copper
Cu → Cu?+ + 2 e-
Silver
Ag → Ag* + e-
Platinum
Pt → Pt2+ + 2 e-
Gold
Au → Au* + e
A) Ni
B) Zn
C) Fe2*
O D) Cu2+
Reducing strength
Transcribed Image Text:Given the activity series, predict which of the following will react with the cobalt ion, Co2+ Element Half-Reaction Li - Lit + e K K* + e Ва — Ва?* + 2 е- Lithium Potassium Barium Calcium Са— Са* + 2 е- Magnesium Mg → Mg²+ + 2 e- Al → A3+ + 3 e Aluminum Zinc Zn→ Zn2+ + 2 e- Chromium Cr- Cr+ + 3 e- Iron Fe → Fe2+ + 2 e- Cobalt Co - Co2+ + 2 e- Nickel Ni → Ni2* + 2 e- Tin Sn- Sn2+ + 2 e- Lead Pb → Pb2+ + 2 e- Hydrogen H2 →2 H* + 2 e- Copper Cu → Cu?+ + 2 e- Silver Ag → Ag* + e- Platinum Pt → Pt2+ + 2 e- Gold Au → Au* + e A) Ni B) Zn C) Fe2* O D) Cu2+ Reducing strength
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