4. An electrochemical cell is constructed with a material not commonly used, Astatine (At): Ni(s) + At₂(s)→→ Ni²+ (aq) +

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4 An Electrochemical Cell Is Constructed With A Material Not Commonly Used Astatine At Ni S At S Ni Aq 1 (13.04 KiB) Viewed 34 times

4. An electrochemical cell is constructed with a material not commonly used, Astatine (At): Ni(s) + At₂(s)→→ 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