The Overall Reaction 2Co³⁺(aq)+ 2Cl^-(aq) $\rarr$ 2Co²⁺(aq)+ Cl₂(g)has the Standard Cell Voltage E°_cell= 0

question 153

Multiple Choice

The overall reaction 2Co³⁺(aq) + 2Cl^-(aq) $\rarr$ 2Co²⁺(aq) + Cl₂(g) has the standard cell voltage E°_cell= 0.46 V.Given E° = 1.36 V for the reaction Cl₂(g) + 2e^- $\rarr$ 2Cl^-(aq) , calculate the standard reduction potential for the following the half reaction at 25°C: Co³⁺ + e^- $\rarr$ Co²⁺

• A)1.82 V
• B)-0.90 V
• C)0.90 V
• D)-1.82 V
• E)-1.36 V

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