Some Basic Concepts of Chemistry - Result Question 20

####20. For the redox reaction

MnO4+C2O42+H+Mn2++CO2+H2O

The correct coefficients of the reactants for the balanced reaction are

MnO4 C2O42 H+
(a) 2 5 16
(b) 16 5 2
(c) 5 16 2
(d) 2 16 5

(1992)

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Solution:

  1. From the given relative abundance, the average weight of Fe can be calculated as

A=54×5+56×90+57×5100=55.95



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