In a neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate…

In a neutral or faintly alkaline solution, 8 moles of permanganate anion quantitatively oxidize thiosulphate anions to produce X moles of a sulphur containing product. The magnitude of X is:

Solution

8Mn O 4 − +3 S 2 O 3 2− + H 2 O→8Mn O 2 +6S O 4 2− +2O H −
Moles of S O 4 2− formed from 8 moles of MSO 4 − =6

Asked in: JEE Advanced 2016 (Paper 1)

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