aletadaboss
14.04.2020 •
Chemistry
A voltaic cell is constructed from a standard Ni2+|Ni half cell (E°red = -0.250V) and a standard Fe3+|Fe2+ half cell (E°red = 0.771V). (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is:
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Ответ:
Anode half reaction equation:
Ni(s)> Ni^2+(aq) + 2e-
Explanation:
Looking at the values of reduction potential given in the question, Ni2+|Ni half cell has a more negative reduction potential than the Fe3+|Fe2+ half cell. The more negative the reduction potential of a half cell, the more its tendency to act as the anode. Hence based on the half cell reduction potentials presented in the question, Ni2+|Ni is the anode while the other is the cathode.
Ответ:
The answer is C.) Hope this helps!