Transition and InnerTransition Elements - Result Question 160

####60. In neutral or faintly alkaline solution, 8 moles of permanganate anion quantitative oxidise thiosulphate anions to produce X moles of a sulphur containing product. The magnitude of X is …

(2016 Adv.)

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Answer:

Correct Answer: 60. (6)

Solution:

  1. In neutral or faintly alkaline solution, MnO4is reduced to MnO2 and S2O32 is oxidised to SO42.

Thus, 4MnO4+32S2O323SO42+4MnO2 or 8MnO4+3S2O326SO42+8MnO2

Thus, moles of SO42 formed by 8 moles of MnO4=6



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