Which one of the below species will be the strongest reducing agent? knowing that the standard reduction potentials are as following for these metal ion/metal Cu2+(aq)|Cu(s) Ag+(aq)|Ag(s) Co2+(aq)|Co(s) Zn2+(aq)|Zn(s) +0.34 V +0.80 V -0.28 V -0.76 V Cu2+ Co(s) Ag(s) Zn(s) Cu(s)
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Which one of the below species will be the strongest reducing agent? Knowing that the standard reduction potentials are as follows for these metal ion/metal: Cu2+(aq) | Cu(s) Ag+(aq) | Ag(s) Co2+(aq) | Co(s) Zn2+(aq) | Zn(s) +0.34 V +0.80 V -0.28 V -0.76 V
David C.
Consider these metal ion/metal standard reduction potentials: Cd2+(aq)|Cd(s) Zn2+(aq)|Zn(s) Ni2+(aq)|Ni(s) Cu2+(aq)|Cu(s) Co2+(aq)|Co(s) -0.40 V -0.76 V -0.25 V +0.34 V -0.28 V Based on the data above, which species is the best oxidizing agent? a. Cd2+(aq) b. Zn2+(aq) c. Co2+(aq) d. Cu2+(aq) e. Ni2+(aq)
Use the standard reduction potentials below to determine which element or ion is the best reducing agent. E°red: Hg2+(aq) + 2e− → Hg (ℓ) 0.855 V Cu2+(aq) + 2e− → Cu (s) 0.337 V Cd2+(aq) + 2e− → Cd (s) -0.40 V Hg2+(aq) → Hg (ℓ) Cu2+(aq) → Cu (s) Cd2+(aq) → Cd (s)
Tianyu L.
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