The rate of reduction of [Co(NH3)5(OH2)]3 by Cr(II) is seven orders of magnitude slower than reduction...

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The rate of reduction of [Co(NH3)5(OH2)]3 by Cr(II) is sevenorders of magnitude slower than reduction of its conjugate base,[Co(NH3)5(OH)]2, by Cr(II). For the corresponding reductions with[Ru(NH3)6]2, the two differ by less than a factor of 10. What dothese observations suggest about their mechanisms?

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4.2 Ratings (853 Votes)
In answering this question I am assuming that CrII points to CrH2O62 complex Slow reaction rates in the case of coordination complexes involving oxidation and reduction imply that the reaction is happening via outer sphere mechanism which are slow On    See Answer
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