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In an electrolysis of tin(II) iodide ($\ce{SnI2}$) with led cathode and nickel anode, why is it that the tin ion gets reduced and not the nickel ion?

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  • $\begingroup$ What nickel ion? $\endgroup$ – Buck Thorn May 27 at 9:05
  • $\begingroup$ the nickel that gets oxidized $\endgroup$ – Pedro May 27 at 11:41
  • $\begingroup$ ok, but if the nickel gets oxidized, and then reduced, there is no net reaction, right? $\endgroup$ – Buck Thorn May 27 at 12:38
  • $\begingroup$ yes, this is from a school assignment. I did a similar one where there was no net reaction also but I understood why. In this one I dont know why one takes precedence over the other $\endgroup$ – Pedro May 27 at 12:41
  • $\begingroup$ are you posting the full description of the problem? $\endgroup$ – Buck Thorn May 27 at 13:01

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