Consider a Voltaic Cell Based on the Following Cell Reaction $\rarr$

question 122

Multiple Choice

Consider a voltaic cell based on the following cell reaction: Ni(s) + At₂(s) $\rarr$ Ni²⁺(aq) + 2At^- (aq)
Given that the standard cell emf is 0.55 V, what is the standard reduction potential for astatine? [E°(Ni²⁺/Ni) = -0.25 V]

• A)0.80 V
• B)0.30 V
• C)-0.30 V
• D)-0.80 V
• E)0.43 V

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