Given the activity series, which of the following elements cannot reduce nickel(II)te elemental nickel? Element Half-Reaction Lithium Li → Lit + e- Potassium K K* + e Barium Ba → Ba?+ + 2 e- Calcium Ca Ca2+ + 2 e- Magnesium Mg → Mg?+ + 2 e- Aluminum Al → AI3+ + 3 e- Zinc Zn→ Zn2+ + 2 e- Chromium Cr→ Cr3+ + 3 e- Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e Ni → Ni2+ + 2 e Cobalt Nickel Tin Sn→ Sn2+ + 2 e- Lead Pb → Pb2+ + 2 e- Hydrogen H2 →2 H* + 2 e- Reducing strength

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Given the activity series, which of the following elements cannot reduce nickel(1I) to
elemental nickel?
Element
Half-Reaction
Lithium
Li → Lit + e-
Potassium
K K* + e
Barium
Ва — Ва?+ + 2 е-
Calcium
Ca Ca2+ + 2 e-
Magnesium Mg → Mg?+ + 2 e-
Aluminum
Al →AI3+ + 3 e-
Zinc
Zn→ Zn2+ + 2 e-
Chromium
Cr→ Cr3+ + 3 e-
Iron
Fe → Fe2+ + 2 e-
Co - Co2+ + 2 e
Ni → Ni2+ + 2 e
Cobalt
Nickel
Tin
Sn→ Sn2+ + 2 e
Lead
Pb → Pb2+ + 2 e-
Hydrogen
H2 →2 H* + 2 e-
Сopper
Cu → Cu?+ + 2 e-
Ag → Ag* + e-
Pt → Pt2+ + 2 e-
Silver
Platinum
Gold
Au → Au* + e
O A) cobalt
B) iron
C) zinc
O D) copper
Reducing strength
Transcribed Image Text:Given the activity series, which of the following elements cannot reduce nickel(1I) to elemental nickel? Element Half-Reaction Lithium Li → Lit + e- Potassium K K* + e Barium Ва — Ва?+ + 2 е- Calcium Ca Ca2+ + 2 e- Magnesium Mg → Mg?+ + 2 e- Aluminum Al →AI3+ + 3 e- Zinc Zn→ Zn2+ + 2 e- Chromium Cr→ Cr3+ + 3 e- Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e Ni → Ni2+ + 2 e Cobalt Nickel Tin Sn→ Sn2+ + 2 e Lead Pb → Pb2+ + 2 e- Hydrogen H2 →2 H* + 2 e- Сopper Cu → Cu?+ + 2 e- Ag → Ag* + e- Pt → Pt2+ + 2 e- Silver Platinum Gold Au → Au* + e O A) cobalt B) iron C) zinc O D) copper Reducing strength
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