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Will it be wrong to add reduction potentials of two intermediate reactions to get reduction potential of net reaction(just like as we do in adding enthalpies and applying Hess's law)?

What is the basic error? What should be the thinking process to avoid these kind of errors in chemistry?

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  • $\begingroup$ Possible duplicate of How to calculate reduction potentials from given standard potentials for cobalt? $\endgroup$
    – Mithoron
    Apr 5, 2016 at 11:21
  • $\begingroup$ @Mithoron The answer at there does not explain my question properly $\endgroup$
    – JM97
    Apr 5, 2016 at 11:24
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    $\begingroup$ @JM97 please edit your question to explain how. $\endgroup$
    – M.A.R.
    Apr 5, 2016 at 12:55
  • $\begingroup$ Well, $\Delta G=-nFE$, so as long as you keep count of your electrons (n) properly, there are no reasons to worry. $\endgroup$ Aug 25, 2016 at 15:11
  • $\begingroup$ @IvanNeretin but E is independent of number of electrons $\endgroup$
    – JM97
    Aug 25, 2016 at 15:13

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