Given the E0 values of the following two
half-reactions:
Zn à Zn2+ +
2e-Â Â Â Â Â Â Â Â Â Â Â Â Â Â
E0 = 0.763 volt
Fe à ...
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Chemistry
Given the E0 values of the following twohalf-reactions:
Zn à Zn2+ +2e-              E0 = 0.763 volt
Fe à Fe2+ +2e-               E0 = 0.441 volt
a)Write a balanced completeoxidation-reduction reaction?
b)Explain whether the corrosion ofan iron pipe (i.e., Fe Fe2+) in the presence ofZn/Zn2+ is possible or not (thermodynamically)?
c)Explain whether or not Zn willprotect the corrosion of iron pipe if metallic Zn is in contactwith the iron pipe?
Answer & Explanation
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4.1 Ratings (572 Votes)
The electrochemical series is built up by arranging variousredox equilibria in order of their standard electrode potentialsredox potentials The most negative E values are placed at thetop of the electrochemical series and the most positive at thebottomMetals at the top of
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