Given the activity series, which of the following elements can reduce copper(II) elemental copper? Element Half-Reaction Lithium Li → Li* + e- Potassium K→K* + e- Barium Ва — Ва* + 2 е- Calcium Са— Са?* + 2 е- Magnesium Mg → Mg²+ + 2 e- Al → A3+ + 3 e Aluminum Zinc Zn→ Zn?+ + 2 e- Chromium Cr+ Cr3+ + 3 e- Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e- Ni → Ni2* + 2 e Cobalt Nickel Tin Sn- Sn+ + 2 e- Lead Pb → Pb2+ + 2 e- Hydrogen H2 →2 H* + 2 e- Cu → Cu?+ + 2 e- Ag → Ag* + e Copper Silver Platinum Pt → Pt2+ + 2 e- Gold Au - Au* + e O A) nickel B) iron C) zinc D) all of the above E) none of the above Reducing strength

Chemistry
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Chapter1: Chemical Foundations
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Given the activity series, which of the following elements can reduce copper(II)
elemental copper?
Element
Half-Reaction
Lithium
Li → Lit + e-
Potassium
K-K* + e-
Ва — Ва* + 2 е-
Са — Са2* + 2 ет
Magnesium Mg → Mg2+ + 2 e-
Al A3+ + 3 e-
Zn→ Zn2+ + 2 e-
Barium
Calcium
Aluminum
Zinc
Chromium
Cr- Crš+ + 3 e-
Iron
Fe → Fe2+ + 2 e-
Co - Co2+ + 2 e-
Ni → Ni2+ + 2 e
Sn → Sn2+ + 2 e-
Cobalt
Nickel
Tin
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) nickel
O B) iron
C) zinc
D) all of the above
O E) none of the above
Reducing strength
Transcribed Image Text:Given the activity series, which of the following elements can reduce copper(II) elemental copper? Element Half-Reaction Lithium Li → Lit + e- Potassium K-K* + e- Ва — Ва* + 2 е- Са — Са2* + 2 ет Magnesium Mg → Mg2+ + 2 e- Al A3+ + 3 e- Zn→ Zn2+ + 2 e- Barium Calcium Aluminum Zinc Chromium Cr- Crš+ + 3 e- Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e- Ni → Ni2+ + 2 e Sn → Sn2+ + 2 e- Cobalt Nickel Tin 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) nickel O B) iron C) zinc D) all of the above O E) none of the above Reducing strength
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