Exhibit 18-2 Consider a Voltaic Cell That Is Constructed from a Strip

question 63

Multiple Choice

Exhibit 18-2 Consider a voltaic cell that is constructed from a strip of Ag dipped in an AgNO₃ solution and a Fe (s) strip dipped in a solution of FeCl₂ to answer the following question(s) . An external circuit and a salt bridge connect these two electrodes.
-Refer to Exhibit 18-2. Which electrode is the negative electrode and what is the standard potential E ° _cell for this voltaic cell?

• A) The Fe²⁺/Fe couple is the negative electrode and E ° _cell = 1.24 V.
• B) The Fe²⁺/Fe couple is the negative electrode and E ° _cell = 0.36 V.
• C) The Fe²⁺/Fe couple is the negative electrode and E ° _cell = - 1.24 V.
• D) The Ag⁺/Ag couple is the negative electrode and E ° _cell = 1.24 V.
• E) The Ag⁺/Ag couple is the negative electrode and E ° _cell = 0.36 V.

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