Transition and InnerTransition Elements - Result Question 161

####61. In dilute aqueous H2SO4 the complex diaquadioxalatoferrate (II) is oxidised by MnO4. For this reaction, the ratio of the rate of change of [H+]to the rate of change of [MnO4]is

(2015 Adv.)

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Answer:

Correct Answer: 61. (8)

Solution:

  1. The balanced redox reaction is

MnO4+[Fe(H2O)2(C2O4)2]2+8H+Mn2++Fe3+

+4CO2+6H2O

r[H+]r[MnO4]=81=8



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